Topic 3 - Decimals

Topic : Decimals Learning Area 1 : Decimal numbers Learning Outcome : Name and write decimal numbers to three decimal places.

1.

Write 0.008 in words.

11. Write zero point one zero five in numerals.

2.

Write 1.943 in words.

12. Write five point two one one in numerals.

3.

Write 4.300 in words.

13. Write seven point one three nine in numerals.

4.

Write 7.407 in words.

14. Write twelve point four three two five in numerals.

5.

Write 9.090 in words.

15. Write twenty-six point five one five in numerals.

6.

Write 13.333 in words.

16. Write two and one hundred and seven thousandths in numerals.

7.

Write 35.102 in words.

17. Write seven and eight hundred and thirty- five thousandths in numerals. numerals.

8.

Write 44.397 in words.

18. Write fourteen and five hundred and sixty- two thousandths in numerals.

9.

Write 53.123 in words.

19. Write twenty thousandths in numerals.

10. Write 60.111 in words.

20. Write seventy-one and five hundred and four thousandths in numerals.

Topic : Decimals Learning Area 1 : Decimal numbers Learning Outcome : Recognise the place value of thousandths

1. Write the place value of the underlined digit of 0.432

11. Write 0.543 in an extended notation.

2. Write the place value of the underlined digit of 3.906

12. Write 3.453 in an extended notation.

3. Write the place value of the underlined digit of 4.367

13. Write 6.809 in an extended notation.

4. Write the place value of the underlined digit of 7.765

14. Write 12.712 in an extended notation.

5. Write the place value of the underlined digit of 9.109

15. Write 30.109 in an extended notation.

6. Write the place value of the underined digit of 33.095

16. What is the value of 6 in 0.603 ?

7. Write the place value of the underlined digit of 40.432

17. What is the value of 8 in 34.078 ?

8. Write the place value of the underlined digit of 56.657

18. What is the value of 2 in 8.627 ?

9. Write the place value of the underlined digit of 65.786

19. What is the value of 4 in 0.874 ?

10. Write the place value of the underlined digit of 77.157

20. What is the value of 5 in 64.539?

Topic : Decimals Learning Area 1 : Decimal numbers Learning Outcome : Convert fractions of thousandths to decimal and vice versa. 1.

Convert

5 to a decimal. 1000

16. Convert 0.123 to a fraction.

2.

Convert

18 to a decimal. 1000

17. Convert 2.904 to a fraction.

3.

Write 35 1000

as a decimal number.

18. Convert 14.675 to a fraction.

4.

Write 60 1000

as a decimal number.

19. Convert 55.032 to a fraction.

5.

Write 123 as a decimal number. 1000

20. Convert 90.431 to a fraction.

6.

Express

4 1000

as a decimal.

21. Write the fraction of 0.006

7.

Express

23 1000

as a decimal.

22. Write the fraction of 0.075

8.

Express

44 1000

as a decimal.

23. Write the fraction of 1.485

9.

Convert

50 to a decimal. 1000

24. Write the fraction of 23.118

10. State

125 1000

11. State 1

as a decimal.

2 1000

12. State 23

as a decimal.

11 as a decimal. 1000

25. Write the fraction of 66.753

26. Write the fraction of 0.006

27. Write the fraction of 0.075

13. Express 34

61 as a decimal. 1000

28. Write the fraction of 1.485

14. Convert 50

88 to a decimal. 1000

29. Write the fraction of 23.118

15. State 9

24 1000

as a decimal.

30. Write the fraction of 66.753

Topic : Decimals Learning Area1 : Decimal numbers Learning Outcome : Round off decimals to the nearest a) tenth, b) hundredth 1. Round off 0.324 to the nearest tenth. . 2. Round off 3.365 to the nearest tenth.

11. Round off 6.241 to the nearest hundredth 12. Round off 3.5620 to the nearest hundredth

3. Round off 5.093 to the nearest tenth

13. Round off 5.795 to the nearest hundredth.

4. Round off 8.004 to the nearest tenth

14. Round off 7.3429 to the nearest tenth.

5. Round off 13.587 to the nearest tenth

15. Round off 0.341 to the nearest whole number

6. Round off 1.209 to the nearest hundredth

16. Round off 4.543 to the nearest whole number

7. Round off 3.529 to the nearest hundredth

17. Round off 7.956 to the nearest whole number

8. Round off 6.231 to the nearest hundredth

18. Round off 6.953 to the nearest tenth.

9. Round off 9.321 to the nearest hundredth

19. Round off 0.054 to the nearest hundredth.

10. Round off 0.458 to the nearest hundredth

20. Round off 34 to the nearest hundredth.

Topic : Decimals Learning Area 2 : Addition of Decimals. Learning Outcome : i ) Add any two to four decimal numbers up to three decimal places involving a) decimal numbers and decimal numbers b) whole numbers and decimal numbers

1.

4.34 + 2.091 =

2.

0.25 + 98.207 =

3.

45.028 + 30.24 =

4.

2.36 + 0.654 =

5.

2.45 + 5.903 +10 =

6.

5 + 34.243 + 12.9 =

7.

9.45 + 5.890

8.

0.452 + 0.009 _____

9.

9.345 + 8.546 _____

10.

26.432 + 4.67_ ______

11.

Add 2.10, 0.4 and 9.653

12.

Add 3.21 , 9.0 and 4.329

13.

9.765 + 0.8 + 2.12

14.

9.6 + 3.06 + 1.213

15. 3.12 + 0.543 + 9.04

16.

Add 4.1 and 0.567

17.

7 + 9.456 =

18

0.265 + 8 =

19.

0.007 + 45 =

20.

15 + 6.578 =

22.

Calculate 40 + 3.508 + 2.7

24.

5 + 34.243 + 12.9 =

21.

23.

25.

Calculate 5.321 + 3.409

2.45 + 5.903 +10 =

3.009 + 7___ ____

26.

0.283 + 12___ _____

27. Add 1.6 , 3.505 and 77

28. Add 12 , 3.25 and 7.032

29. Sum up 5.76 , 34 and 0.543

30. Sum up 56 , 6.902 and 4.236

Topic : Decimals Learning Area 2 : Addition of Decimals. Learning Outcome : Solve problems involving addition of decimal numbers. 1.

Puan Aini bought some fruits from the fruit stalls.She bought 1.5 kg of apples, 2kg of rambutans and 3.75 kg of langsat. What is the total mass of the fruits ?

2.

Ali has RM 234.75 in his savings.His sister has RM 89.00. What is the total amount of their savings ?

3.

Jug A contains 1.455 litres of water. Jug B has 0.9 litre and jug C has 2 litres . Find the total amount of water in the three jugs.

5. Jug A contains 1.455 litres of water. Jug B has 0.9 litre and jug C has 2 litres . Find the total amount of water in the three jugs.

4.

6.. Abu is 1.45 metres tall. Ramli is 1.32 metres tall but Salim is 0.03 metre taller than Abu.Calcuate their total height.

7.. Maniam is 1.6m tall.His elder sister is 8. 1.65m and his younger brother is 0.2m less than him. Calculate their total height.

9. .

Abu is 1.45 metres tall. Ramli is 1.32 metres tall but Salim is 0.03 metre taller than Abu.Calcuate their total height.

Abdul bought 2.45 kg of langsat and 4.325kg of rambutans . Calculate the total mass of the fruits bought.

.Puan Salina bought 5 kg of carrots and 10. Puan Aminah buys 1.893 kg of vegetables, 2.891 kg of fish and 2kg 6.255 kg of cabbage.Calculate the fruits. What is the total mass of the t otal mass of the two items three items ?

11. Safiah used 1.235 kg of wheat flour to make a cake. She also used 0.535 kg of sugar and a kilogram of self – raising flour.Find the total mass of the 3 items.

12. A sack of rice weighs 25.534 kg. A sack of sugar weighs 33.67kg. Calculate the total mass of the two items .

13.

Ismail buys 0.43 kg of rice ,0.255 kg of vegetables and 0.115kg of fish. Find the total mass of the three items.

15. Leela Muthu

53.8 kg 40.905 kg

14. Said has two books. The thick book is 2.57kg.The thin book is 0.184 kg . What is the total mass of the two books?

16. Sarah has RM 300.89 in the bank. Hajar has RM 999.05. Find the sum of their money.

Calculate the total mass of the two pupils.

17. Bottle A holds 2.909 l of water. Bottle B is heavier by 0.008 l . What is the mass of bottle B.

18. Puan Mariam buys 5kg of flour, 7.5 kg of sugar and a sack of rice which weighs 10.355kg. What is the total mass of the three items.

19. Aida can run 0.1 km in 2 minutes. Aina can run 0.008 km faster than Aida. Find the distance that Aida runs in 2 minutes.

20. The red pail contains 5.658 litres of water. The blue pail contains 2.34 litres more . Calculate the amount of water in the blue pail.

13. There are 8 kg of peas and 2.09kg of salt in the basket. What is the total mass of the two items ?

14. Rope X is 2.9 m longer than rope Y . If rope Y is 45.77m long , find the length of X.

15.

Siti fills the bottle with 1.453 litres of orange juice. Her mother adds 0.565 l itre more.What is the total volume of orange juice in the bottle now ?

24. Ali cycles 4.056 km from his house to school . He goes to town which is 3.75 km from his school. Find the total distance fro his house to the town.

25.

Parcel A weighs 1.43kg, parcel B weighs 3.215kg and parcel C weighs 0.453kg. What is the totlal weight of the three parcels ?

26. A mechanic used different sizes of screwdrivers to repair the bicycle. The sizes are 0.05m ,0.14m and 0.2m . Find the total length of the screwdrivers.

27. Ah Chong has RM 40.35 . His father gives him another RM 3.00. How much does he have now ?

28. Latipah uses 3.765m of ribbons. She still has 0.345m left. How many metres of ribbon does she have at first ?

29. Linda has two rulers measuring 0.3 m and 0.15 m long respectively. What is the total length of the two rulers ?

30. The masses of three boxes are 3.45 kg , 5.3 kg and 10 kg respectively. Find the total mass of the 3 boxes.

Topic : Decimals Learning Area 3 : Subtraction of Decimals. Learning Outcome : i ) Subtract a decimal from another decimal up to three decimal places. ii) Subtract successively any two decimals up to three decimal places.

1.

3.567 - 0.086

3.

25.560 - 6.87 - 3.364 =

5.

7.

=

32.904 - 4.650 _____

2.

20 - 3.984

4.

48.560 - 7 - 2.456

6.

=

=

7.376 - 4.003 _____

456. 45 - 349.346 _______

8.

9.

23.78 - 7.875 =

10.

123.986 - 29.865 =

11.

15 - 1.24 =

12

9.21 - 4 =

13.

13 - 2.133 =

14.

34 - 0.674 - 3.456

-

65.009 7.978 ______

15. What must be subtracted from 80 to get 10.009 ?

16.

17. What must be subtracted from 5.321 to get 1.007 ?

18. The difference between 5.122 and 3.145 is

19

20. 5

4 - 1.321 = 1000 Give your answer in decimal.

4

5 - 1 2 = 1000 100 Give your answer in decimal.

21.

Subtract 8.231 from 16.899

8.912 + P = 4.321. Find the value of P.

22.

Subtract 2.806 from 4.56

23. The difference between 34.67 and 0.999 is

24. What is the difference between 65.009 and 7.909 ?

25. How much must be added to 43.9 to make 99.64 ?

26.

How much must be added to 4.606 to make 7.56 ?

27.

Calculate 23.87 - 8.321

28.

Calculate 87 - 9.348 – 10.565

29.

300.9 - 34.98 kg – 24kg

30.

17.09 - 4.321 - 7.009

Topic : Decimals Learning Area 3 : Subtraction of Decimals. Learning Outcome : Solve problems involving subtractions of decimal numbers

1. Siti bought a roll of ribbon which was 18.5 m long. She had 2.25 m left after tying up a few parcels. How many metres of ribbon did she use ?

2. There are 15.215 l of water in the two jugs. One of the jug has 4.305 l . How many litres of water are there in the other jug ?

3.

4

A rope measuring 10.25m long is cut into two. One part of the rope is 4.321m .Find the length of the other part of the rope.

Sarah weighs 49.9 kg. Linda weighs 32.125 kg. Find the difference between their mass.

5.

Rita has RM 123.75 . She spents $55.25 . How much money is left ?

6 A box weighs 6.987 kg. Another box weighs 5.004 kg. What is the diference in weight ?

7.

Ali is 1.56m while his father is 2.654m. Find the difference in height between both of them.

8.

9.

A bucket holds 3.475 l of water .A pail holds 3.009 l of water . What is the difference between the volumes ?

10.

Kamala weighs 38 kg. Her younger sister is 3.45kg lighter than her. Calculate her sister ‘s weight.

Bibi bought 3.568 kg of sugar . She used 2.564 kg to make biscuits. What is the mass in of the sugar left ?

11. Sharifah is 1.33m tall. She is 0.17m taller than Sita. How tall is Sita ?

12. Dolah bought a bottle of orange juice Which holds 2.555 l. After 5 days there was 0.5 l left. How much orange juice did she use ?

13. There are 14.87 kg of flour 34 .455kg of sugar in the box. How much sugar are there more than flour ?

14. String C is 0.434 m longer than string D . If string Cis 3.2m long , find the length of string D.

15.

24. Ahmad walks 1.34 km in 15 minutes. Suria walks 0.525 km less in the same time. Calculate the distance that Suria takes in 15 minutes.

Zainab fills the bottle with 7.45 litres of water. Lila pours 2.85 litres of the water into a jug. What is the total volume of water in the bottle now ?

20. A packet of flour weighs 1.25kg Mak 19. A jug contains 3.28litres of syrup . Minah uses 0.754 kg to make a cake. 2.35 lires is poured into two cups. How much syrup left in the jug ? What is the mass of the remaining flour ?

Topic : Decimals Learning Area 4: Multiplications of decimals.. Learning Outcome : Multiply any decimal numbers up to three decimals places with number of a) a one digit number b) a two digit number c) 10 , 100 and 1000 . 1.

5.235 x 2 =

2.

8.012 x 5 =

3.

3 x 15.133

=

4.

9.128 x 9 =

5.

14 x 4.523

=

6.

2.117 x 12 =

7

4.321 x 16 =

8.

38 x 0.342 =

9.

10 x 3.987 =

10. 1.658 x 10 =

11. 10 x 3.765

12. 42.98 x 10 =

13. 2.03 x 100 =

14. 100 x3.621 =

15. 19.2 x 10 =

16. 0.21 x 100 =

17. 4.632 x 1000

18. 2 x 1.375 =

19.

2.462 x 4 _____

20.

23.52 4 _____

22.

21. x

2.239 x 5 _____

x

12.167 2 _____

23.

Calculate 0.085 x 14

24.

Calculate 10 x 3.245

25.

Find the product of 13 x 0.009

26.

Multiply 9.124 by 8

27.

Write 3

29.

4.32 x 10

1__ x 100 as a decimal. 28. 1000

30.

3.36 x 100

1000 x 1.2

Topic : Decimals Learning Area 4 : Multiplications of decimals.. Learning Outcome : Solve problems involving multiplication of decimal numbers. 1. If a packet of flour weighs 1.015kg , Find the weight of 8 similar packets?

2. Ranjit saves RM 2.30 in a day. How much will he save in 2 weeks ?

3. Mrs Lee needs 0.525 kg of flour to make a cake . How much flour , in kg, will she use for 100 cakes ?

4. Pak Abu has 8 pieces of firewood of equal length.If each piece is 0.755m, find the total length of the firewoods.

5. Salim bought 100 pens at RM 2.85 each.How much does he have to pay altogether ?

6. A packet of groundnut weighs 0.531 kg . Calculate the total mass of 12 packets of groundnuts .

7. Ali bought 5 bars of chocolates costing RM 11.55 each. How much must he pay ?

8. A mug contains 0.545l of orange juice. How much orange juice does 9 similar mugs contain ?

9. The length of a ribbon is1.34cm.What is the length of 100 similar ribbons?

10. Multiply 9.124 by 8

11. A bag weighs 12.153g. What is the mass of 8 bags of the same size ?

12. A tank contains 60.123l of water.Find the quantity of water in 15 similar tanks .

13. A pair of scissors costs RM 1.20. What 14. A bottle of jam contains is 0.345 kg . is the cost of 25 similar scissors ? Rahmat buys 9 bottles of the jam . How many litres of jam does he buy ?

15. There are 10 plastics of apples . Each plastics weighs 1.655 kg. What is the total mass of the apples ?

16. Aida needs 1.236 m of ribbons to tie a present. How much string is needed to tie 10 presents of the same size ?

17. A tin of canned pineapple weighs 0.564 kg. What is the total mass of 10 similar tins of canned pineapples ?

18. There is 2.4 litres of water in a container. How many itres of water are there in 100 containers of the same size ?

19. Mrs Lee poured 0.345 l of milk in a cup. How many litres of milk does she needs to pour in 7 cups of the same size ?

20. The total length of a square is 0.75 m . Calculate the length of 100 squares of the same size.

21. Sally buys 8 packets of biscuits. The mass of a packet is 1.385 kg. Find the total mass of the biscuits .

22. Abu buys a box of sardines. There are 15 tins in the box . Each tin weighs 0.565kg. Find the total mass of sardines Abu buys.

23. The mass of a flower pot is 1.927 kg. Zainab buys 5 flower pots. What is the total mass of all the flower pots ?

24. A bottle of cooking oil weighs 0.75 kg. Puan Fatimah buys 9 bottles. What is the mass of the cooking oil altogether ?

25.

A bottle of tomato sauce holds 1.1l . What is the total amount of 100 bottles ?

26.

27

.What is the total weight of 100 similar packets of biscuits if a packet weighs 0.5kg ? weighs 0.5kg ?

28. An apple weighs 0.225 kg . A papaya is 6 times the mass of the apple. Caculate the mass of the papaya ?

29.

Lilian drinks 0.403 litre of milk every day. How many litres of milk she drinks in two weeks ?

30. A coconut weighs 3.45kg. Five watermelons weigh 10 times the mass of the coconut. Find the total mass of all the watermelons ?

0.305 l of orange juice is poured into a glass. How many litres of orange juice in 100 glasses of the same size ?

Topic : Decimals Learning Area 5: Division of decimals.. Learning Outcome : a) Divide a whole number up to three decimals places by 10, 100 and 1000 b) Divide a whole number by a one digit number and a two digit number

1.

123

÷

3.

98 ÷ 5

5.

546

÷

10

7.

34

÷

10 =

9.

99

÷

100

11. 8326

4

÷

=

2.

7

4.

99

6.

543

8.

3

10.

35

=

12.

1

=

=

100

=

÷

8

÷

25

÷

÷

=

=

10

10

÷

÷

÷

=

=

100

=

100

=

13. 332

÷

1000

=

14.

5

15.

59

÷

1000

=

16.

697

17.

Find the value of 34 divided by 5

18.

Find the value of 95 divided by 25.

÷

1000

=

1000

=

19.

Divide 76 by 10

20.

Divide 23 by 10.

21. Divide 2 by 100

22.

Divide 43 by 100

23. Find the value of 9 divided by 100

24.

Find the value of 65 divided by 100.

25. Calculate 3.875 ÷ 16. Give your answer to three decimal places

26.

Calculate 6.0785 ÷ 100 . Give your answer to three decimal places.

27. 45 ÷ P = 0.45 . Find the value of P. 28.

29. Find the quotient of 89 ÷ 5. Give your answer to three decimal places.

6 ÷

P = 0.6. Find the value of P.

30. Find the quotient of 124 ÷ 100 . Give your answer to three decimal places .

Topic : Decimals Learning Area 5: Division of decimals.. Learning Outcome : Divide a decimal number up to three decimals places by a) a one digit number b) a two digit number c) 10 d) 100

1.

8.9

3.

÷

4

=

2.

6.124

0. 275 ÷

5

=

4.

78.6 ÷ 6

5.

12.56 ÷

20 =

6.

10.5 ÷

7.

12.355 ÷

10

8.

16.666 ÷

13 =

9.

0.0 72 ÷

3

10.

8 9.7 ÷

100

=

=

÷

4

=

=

15

=

=

11.

9.5

÷

4

13.

11.2

15.

43.34 ÷

÷

=

10

5

=

=

12.

550.4 ÷

100

=

14.

87.65 ÷

10 =

16.

17.875 ÷

25

=

17. Find the value of 36 divided by 5

18. Find the value of 3.42 divided by 100.

19. Divide 98 by 5

20. Divide 162 by 4

21.

Divide 88.4 by 100

22. Divide 77 by 100.

23.

Find the quotient of 23.9 ÷ 10

24. Find the quotient of 13.9 ÷ 10.

25.

Calculate15.686 ÷ 8 . Round off the answer to three decimal places.

26. Calculate 68.568 ÷15 . Round off the answer to three decimal places

27..

Find the value of 3.6 divided by 5.

28. Find the value of 3.615 divided by 5.

29.

Divide 9.324 by 9

30. Divide 2.906 by 8

Topic : Decimals Learning Area5 Division of decimals.. Learning Outcome : Solve problems involving division of decimal numbers

1. A length of a rope is 10m . Salim cuts the rope into 8 pieces of equal length. Calculate the length of one piece.

2. A sack of sugar weighs 75.6 kg. Pak Abu wants to repack the sugar into 6 smaller packets of the same mass. What is the mass of a packet of sugar ?

3. Nadia has 46 m of cloth .She cuts the the cloth into 8 pieces. Find the length of one piece. Give your answer to three decimal places.

4. A tape measuring 7.5 m is cut into 6 pieces.What is the length of each part ?

5. 6kgof flour is packed in 8 packets. What is the weight of rice in each packet ?

6.

89 m of ribbon is needed to make 25 roses. How much ribbons is needed for a rose?

7.

If 22 kg of meat is divided equally among 5 people, how much does each person gets ?

8.

A teacher bought 45 kg of rambutans. It was divided equally to 8 classes. How much does each class gets ?

9.

The total weight of 4 packets of biscuits is 23 kg. What is the weight of a packet of biscuit , if it is divided equally ?

10. 8 similar pails hold 54 l. How much does each pail holds ?

11. A bakery shop used 67.746kg of flour in a week to make cookies. How much flour is used for a day ?

12. 10.35 kg of onions are packed equally into 10 plastics. Calculate the mass of a plastic of onions.

13. Pak Samad bought 8.325 acres of land. He divided the land equally to his 5 sons. How many acres did each of his sons get ?

14. 9.275 litres of milk is poured into 7 cups. How much milk is there in each cup?

15.

8 .35m of cloth is needed to make 5 16. !0 groups of boy’s scout shared dresses. How much is needed to make 12.75 kg of cabbages during their camping. How much cabbage did a dress ? each group get ?

17. 9.36kg of salt is packed in 20 packets. What is the weight of salt in each packet ?

19. A bottle contains 6.321 litres of kerosene. Puan Samsiah pours it into 10 oil lamps . How much does each oil lamps has ?

18. The water in bikar X is 7.375 litres. The water in bikar Y is less 5 times than bikar X. Calculate the water in bikar Y.

. 20. 8 similar packets of rice weighs 38.8 kg. What is the weight of each packet ?

SUMATIVE TEST: DECIMALS can be written as A B C D

1.5 0.15 0.015 0.0015

2. A B C D

Twenty-three and four hundred fifty-five thousandths can be written as 2445.5 23 455 234.55 23.455

3. A B C D

The place value of 3 in 62.863 is ones tenths hundredths thousandths

4. A

State the value of 1 in 6.216

B C

1

D 5. A B C D

16.505 to the nearest hundredths is 16.50 16.51 20.505 20.51

6. A B C D

7.54 is to the nearest hundredths for the following except 7.549 7.541 7.540 7.537

7. A B C D

7.871 to the nearest tenths is 8.1 8.0 7.9 7.87

8. A B C D

14.2 is to the nearest tenths for the following except 14.25 14.24 14.20 14.16

9. A B C D

Find the sum of 4.632, 17.449 and 32.147. 54.288 54.228 53.288 53.228

10. A B C D

10.463 + 3.228 = 13.691 13.235 7.691 7.235

11. A B C D

16.31 + 6.42 + 20.663 + 6.693 = 51.096 51.086 50.096 50.086

. What is the missing value?

12. A B C D

5.333 + 4.41 + 12.7 = P. Find the value of P. 22.443 13.623 11.777 2.957

13. + 6.423

16.501 What is the missing value? A.

10.078

B.

10.923

C.

22.078

D.

22.923

14.

The temperature of a fluid is 32.5°C. The temperature increases by 1.85°C after 5 minutes. What is the temperature of the fluid after 5 minutes?

A

30.35

B

30.65

C

31.0

D

34.35

15.

Hafiz takes 1.125 g of vitamin A, 2.545 g of vitamin C and 0.875 g vitamin E. What is the total amount of vitamins, in g, does he take?

A

4.445

B

4.455

C

4.545

D

4.555

16.

2.563 g

4.192 g

1.650 g

Ahmad weighed three samples of soil. What is the total weight of the soil altogether? A

8.405 g

B

8.305 g

C

8.205 g

D

8.105 g

17.

31.445 – 16.213 =

A

16.232

B

15.232

C

14.232

D

13.232

18.

17.465 – 8.032 – 4.522 =

A

7.911

B

6.911

C

5.911

D

4.911

19.

18.662 6.491

A B C D

What is the missing value? 12.171 14.171 24.153 25.153

20.

16.211 -

- 3.428 = 10.69

What is the missing value? A

2.093

B

2.193

C

8.949

D

9.949

21. 0.085 l

0.165 l

What is the difference between the volume of water in the test tubes? A

0.08

B

0.25

C

0.685

D

1.015

22.

Peter has RM40.50. Samad has RM5.75 less than Peter. How much money does Samad have?

A

RM35.75

B

RM35.25

C

RM34.75

D

RM34.25

23.

A tennis ball weighs 10.75 g. A ping-pong ball weighs 2.85 g. What is the difference in mass between the two balls?

A

7.9 g

B

8.1 g

C

12.1 g

D

13.5 g

24.

0.7 l 2.5 l The diagram above shows two bottles containing orange juice. What is the difference in volume of the two bottles? A

4.5 l

B

3.2 l

C

2.8 l

D

1.8 l

25.

Multiply 6.315 by 5.

A

31.575

B

30.575

C

25.575

D

21.575

26.

4.532 X 17 =

A

75.044

B

76.044

C

77.044

D

78.044

27.

4.655 g What is the total mass of perfume in 100 bottles of the same size? A

46 550 g

B

4 655 g

C

465.5 g

D

46.55 g

28.

12.113 X 1000 =

A

12 113

B

12 110

C

1 211.3

D

121.13

29.

Y x 16 = 58.432. What is the value of Y?

A

3.652

B

4.652

C

5.652

D

6.652

30.

A book weighs 102.255 g. What is the mass of 7 books of the same size?

A

714.785 g

B

715.785 g

C

716.785 g

D

717.785 g

31.

A tank contains 50.65 litres of water. Find the quantity of water in 25 similar tanks.

A

2 026

B

1 266.25

C

1 166.25

D

1 013.25

32.

An exercise book costs 36 sen. What is the cost of 100 similars books?

A

RM3.60

B

RM36

C

RM360

D

RM3 600

33.

6693 ÷ 1 000 =

A B C D

0.6693 6.693 66.93 669.3

34. A B C D

Which of the following is incorrect? 446.5 ÷ 100 = 4.465 1 765 ÷ 100 = 17.65 20.45 ÷ 100 = 2.045 136 ÷ 100 = 1.36

35. A B C D

16.386 ÷ 6 = 2.531 2.631 2.731 3.631

36. A B C D

Y ÷ 8 = 6.402. Find the value of Y. 50.216 51.216 52.216 53.216

37. A B C D

22 pens weigh 40.348 g. What is the mass of each pen? 1.834 2.017 2.817 2.834

38.

If the weight of 1 000 beads is 224 g, calculate the mass of each bead. 22.4 g 2.24 g 0.224 g 0.0244 g

A B C D

39. A B C D 40. A B C D

A lorry travelled 324.644 km in 4 hours. Find the distance travelled by the lorry in an hour. 81.161 71.161 61.161 51.161 243.56 litres of petrol is needed to fill 8 lorries. How much petrol is needed for each of the lorry? 15.445 20.445 25.445 30.445

SUMATIVE TEST: DECIMAL. Paper 2

1.

Write

2.

What fraction of the area in the diagram is shaded? Give your answer in decimal form?

3.

Round off 10.625 to the nearest tenths.

as a decimal number.

4. 1.44

1.46

1.48

X

1.52

1.54

The value of X is ____________________

5. 3.67 + 17 + 0.453 + 3.12 =

1.56

6.

7.

Solve 10.641 + 3.567

__________ + 4.63 + 0.428 = 11.014. Find the missing value.

8.

320.6 6.57 g g What is the total weight of the shoes and stockings in the diagram above?

9.

4.63 – 0.227 = ____________

10.

12.49 – 4.632 = ___________ . What is the missing value?

11.

Find the difference between

12.

A gold ring weighs 1.067 g. A gold chain weighs 10.223 g. Find the difference in the mass of both items.

13.

Write

and

x 100 as a decimal number.

in decimal numbers.

14. 3.45 g What is the total weight of 35 similar chocolate bars?

15.

The cost of a pen is RM1.85. Find the cost of 7 similar pens.

16.

The length of a straw is 15.4 cm. What is the total length, in cm of 100 similar straws?

17.

Divide 3 by 8. Write your answer as a decimal number.

18.

46 ÷ 1 000 =

19.

A cyclist travels 16.44 km in 3 hours. What is the average distance travelled in an hour?

20.

100 bottles contains 12.5 litres of water. Find the volume of water in each bottle.