Lsm Grade 3 Math 2nd Trim Exam Sy 2009-2010

MATHEMATICS 3 Lourdes School of Mandaluyong 2nd Trimester Exam Find the quotient using repeated subtraction. Example: 25 ÷ 5 = 5

25 – 5 = 20 20 – 5 = 15 15 – 5 = 10 10 – 5 = 5 5 –5=0

1) 24 ÷ 4 = _______

2) 35 ÷ 7 = _______

3) 72 ÷ 8 = ______

4) 45 ÷ 5 = _______

5) 63 ÷ 7 = _______

Write a related division sentence using the given multiplication sentence. Example: 3 x 10 = 30

30 ÷ 10 = 3

1) 10 x 8 = 80

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2) 20 x 9 = 180

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3) 12 x 13 = 156 ____________________________________________________ 4) 35 x 8 = 280

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5) 25 x 7 = 175

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Solve for the quotient. Check your answer using multiplication.

1) 322 ÷ 3 = _______

Check:

2) 728 ÷ 4 = _______

Check:

3) 555 ÷ 5 _______

Check:

4) 210 ÷ 6 = _______

Check:

5) 104 ÷ 8 = _______

Check:

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6) 288 ÷ 6 = _______

Check:

7) 460 ÷ 4 = _______

Check:

8) 180 ÷ 4 = _______

Check:

9) 700 ÷ 5 = _______

Check:

10) 700 ÷ 5 = _______

Check:

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Read each word problem carefully. Then, solve to answer the question that follows. Check your answer using multiplication. 1) The Grade 3 classes will be going on a field trip. There are 306 students and 6 teachers in all. If there are only 6 buses are available for the field trip. How many students and teachers can ride in one bus?

2) Minda invited 9 of her classmates to her home. Her mom prepared 108 cheese sticks for them. How many cheese sticks can each classmate have?

3) Barangay Dimagiba is having a Plastic Bottle Drive. Look at the table below and find the average number of bottles collected by the barangay for the week. MONTH

NO. OF BOTTLES 22 35 11 9 47 25 13

Monday Tuesday Wednesday Thursday Friday Saturday Sunday

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Write the following number words in numeral form. 1) Eighty-seven hundredths

__________

2) Six tenths

__________

3) Nine and four hundredths

__________

4) Twenty-four hundredths

__________

5) Sixty-five and two hundredths

__________

Express the following decimals in words. 1) 0. 6

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2) 7.01

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3) 0.43

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4) 0.63

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5) 36.71 _________________________________________________ Change the following decimals into fractions. 1) 85.66 __________

4) 8.19

__________

2) 63.04 __________

5) 3.7

__________

3) 51.65 __________ Compare the following decimals. Write the symbols 1) 2) 3) 4) 5)

0.7 0.08 0.9 1.52 0.11

__________ __________ __________ __________ __________

<, >, or = in the blanks.

0.63 0.6 0.90 1.5 0.68

Arrange the decimals in each set. 1) From least to greatest: 0.21, 0.06, 0.08, 0.75, 0.69 ________

________

________

________

________

2) From greatest to least: 1.43, 1.56, 1.04, 1.61, 1.98 ________

________

________

________

________

Round off the following decimals to the nearest tenths. 1) 0.94

________

4) 0.58

________

2) 1.53

________

5) 1.84

________

3) 1.08

________

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Read each problem carefully and solve for the answer. 1) Mang Jose walks 1.25 kilometers from his home to the forest to gather wood for fuel. Once he has already chopped the wood and tied them in a bundle, he walks 0.60 kilometers to the market. He does this everyday for a living. How many kilometers does it take for him to walk from his home to the market?

2) Tina needs to bake cookies and cakes for their school party. She has 25 cups of flour kept in the cupboard. If she needs only 5.5 cups of flour for the cookies and 6.25 cups of flour for the cakes, how many cups of flour will be left in stock?

3) Cocoy saved Php 50.75 from his allowance last week. This week, he was able to save Php 23.95. How much money did he save altogether?

4) A watch is on sold for Php 186.35 less than its original price of Php 1,500.00. How much is the sale price of the watch?

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5) You forgot to bring 9.75 inches of ribbon that you need for your art project. Your classmate was able to bring 60 inches of ribbon and said that you can cut some of his. How many inches of ribbon will be left for your classmate’s use?

Encircle the even numbers and draw a square around the odd numbers. In the blank under each number, write if it is a prime or composite number. 15

89

60

54

35

67

32

51

10

48

_____ _____ _____ _____ _____ _____ _____ _____ _____ _____ Check the box in the proper column if the given numbers on the left is divisible by the number if the top of the column. Number

2

3

4

5

6

9

10

2 400 8 823 4 934 7 428 6 328

Give all the factors of the following numbers. 1) 98

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2) 44

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3) 12

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4) 36

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5) 25

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Give the first ten multiples of the following numbers. 1) 5

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2) 7

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3) 9

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4) 11

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5) 15

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Find the prime factors of the numbers below by using a factor tree. See the example below. 60 6 3

X

X 2

10 5

x

1) 32

2) 84

3) 180

4) 48

2

5) 105

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Get the GCF of the following pairs of numbers using listing method. 1) 30

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45

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2) 32

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48

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Get the GCF of the following pairs of numbers using prime factorization (factor tree). 1) 20 and 24

2) 12 and 30

Find the LCM of the following numbers using listing method. 1) 3

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4

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2) 2

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8

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Find the LCM of the following numbers using the decomposition method. 1)

Mathematics 3 LSM 2009-2010

24

30

2)

10

45

27

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