GRADE 3_3RD Q - MATH I. 2X2 DIGIT MULTIPLICATION (with regrouping) Solve the following. 1.
57 x48 -----------
2.
63 x 29
3. -----------
75 x 36 -----------
Write a multiplication equation and solution for each LOM statement. Encircle your final answers. 1. What is 976 subtracted from the product of 77 and XXVII? S/A: E:
2. What is triple the product of 12 and forty-two? S/A: E:
PROBLEM SOLVING. Show neat solutions. Encircle your final answer and label. Out of the 1000 soldiers in Legolas’ battalion, 443 were killed during the attack of Sauron’s army. If each soldier who survived the attack had 12 arrows in his pack, how many arrows did they have in all? E: S/A:
II. CONCEPTS OF DIVISION (Sets, Repeated Subtraction, Number Line, and Array)
2 Write the division equation for the following sets depending on the question asked. 1.
How many Elements are there in each set? Division Equation: ________________
2.
How many sets of hearts are there? ♥ ♥ ♥
♥ ♥ ♥
Division Equation: 3.
♥ ♥ ♥
♥ ♥ ♥
♥ ♥ ♥
♥ ♥ ♥
_________________________
How many elements are in each row? ☻☻☻☻☻☻☻ ☻☻☻☻☻☻☻ ☻☻☻☻☻☻☻
Division Equation: _______________________ elements in each row Write a division equation for the repeated subtraction equation below: 4. 40 -6 ----36
36 -6 ----30
30 -6 ----24
24 -6 ----18
18 -6 ----12
Division Equation: _____________________
Write a division equation for the LOM statements, then solve. 5. There are 30 basketballs in all. There are 5 basketballs in each set. How many sets are there?
3
E: n = __________ 6. How many times will you subtract 4 from 28 to get 0? E: n = __________ 7. There are 49 steps in all. If there are 7 steps in one jump, how many jumps to reach 0? E: n = __________ 8. If there are 36 steps in all and 4 jumps were made to reach 0, how many steps in one jump? E: n = __________ 9. There are 54 bananas in all. If each column had 9 bananas, how many columns are there? E: n = __________ 10. There are 72 marbles arranged in 8 columns. How many rows of marbles are there? E: n = __________
PROBLEM SOLVING: Write an Equation, draw the solution and label the final answer. 11. Lorenzo counted 24 cans of Coke Light stored in 3 boxes in his uncle’s kitchen cabinet. How many soda cans were there in each box? (use sets)
4 E: S/A:
12. Carlo passed by 12 rows of canned goods from the entrance of the grocery going to the meat section. He stopped at every 4 rows. How many stops did Carlo make? (use number line) E: S/A:
13. Emil loves to read. He has 12 books on his shelf. How many rows can he form if he arranged 6 books in a row? (use array) E: S/A:
II. SPECIAL QUOTIENTS Write true or false. a. _______________ In the equation 40 000 ÷ 80 = n, the quotient is 50. b. _______________ In solving for special quotients, we cancel the zeroes then multiply. c. _______________ In the equation 20 000 ÷ 400 = n the quotient has one zero. d. _______________The equations 28 000 ÷ 70=n and 2 000÷5=n have the same quotient. Write a division equation for each LOM and solve.
5 1. There are 3 000 steps in all. If there are 50 steps in each jump, how many jumps are there? E: n= 2. There are 2 400 elements arranged in 800 columns. How many elements are there in each column? E: n= PROBLEM SOLVING. Write the equation and solve. 3. Jose counted 1 800 bottles of shampoo arranged in 30 columns in the warehouse. How many rows of shampoo were there? E: S/A:
4. Luigi was walking home from school. His house is 400 steps away from the school. If he stops at every 80th step to rest, how many stops did he make until he got home? E: S/A: III. ESTIMATING QUOTIENTS Encircle the letter of the best answer. 1. There are three thousand one hundred and eighty two medals. If the soldier groups them into fifty medals in each box, about how many boxes will there be? a. 6
b. 60
c. 600
d. 6 000
2. There are four hundred ninety five guitars in the store. If these are arranged in sixty rows, around how many columns will there be?
6 a. 8
b. 80
c. 800
d. 8 000
Match the equation with its estimated quotient. Write the LETTER of the answer on the blank. A. B. C. D. E. F.
800 500 600 3 000 1 000 50
_______ 1.
355 ÷ 8 = n
_______ 2. 2 453 ÷ 4 = n _______ 3. 1 983 ÷ 2 = n _______ 4. 6 189 ÷ 2 = n _______ 5. 3 678 ÷ 5 = n PROBLEM SOLVING. Write an equation and solution for each problem. Label and encircle the final answer. 1. Dave had 368 DVDs in his collection. If he wanted to keep those in 6 boxes, about how many DVDs would be in each box? E: S/A:
2. Adam had 45 books while Ted had 139. If they decided to group all the books by fives, around how many groups of books would they have? E: S/A:
7 3. There are four hundred ninety-five steps in all and each jump consists of fifty steps. If we estimate it, around how many steps are there in each jump? E: S/A:
IV. DIVISION OF 2-4 DIGITS DIVIDED BY 1 DIGIT DIVISOR WITHOUT REMAINDER Find the quotients. Show your solutions and encircle your final answers.
1. 4 880 1422
2.
8 2432
3.
2
Write a division equation for each LOM: 1. E:
What is the dividend if the divisor is 4 and the quotient is 248?
S/A:
2. How many times will you subtract 8 from 448 to get 0? E: S/A:
3. E:
What is the quotient of the square of 15 and 3?
8
S/A:
PROBLEM SOLVING. Write an equation and solution for the problem. Label and encircle the final answer. 1. Peter had 518 guests at his party. If 7 guests were seated at each table, how many tables were there in all? E: S/A:
2. Jerome was arranging his Pokemon trading cards in decks. He had 345 Psychic cards, 544 Energy cards and 366 Fire cards. He wanted to place an equal number of cards in 5 decks, how many cards will there be in each deck? E:
S/A:
V.
2-4 DIGITS DIVIDED BY 1 DIGIT DIVISOR WITH REMAINDER
Solve for the quotient. Encircle your final answer. (with remainder) 1.
______ 4/ 41
2.
_______ 9 / 859
3.
_______ 7 / 3725
Write a division equation for each LOM: 1. If there were 1 788 elements arranged into 8 columns, each column having the same elements, how many elements were there in each column? How many were left out? E:
S/A:
9
2. What is the dividend if the divisor is 9, the quotient is 842 and the remainder is 7? E:
S/A:
PROBLEM SOLVING. Write an equation and solution for the problem. Label and encircle the final answer. 3. Jolo prepared 345 loot bags for his party. If each child receives 8 loot bags, how many loot bags will be left? E:
S/A:
4. There are 67 Korean tourists who want to see the Chocolate Hills in Bohol. If each hotel van can fit at most 9 people, how many vans are needed to bring all of the tourists to the Chocolate Hills? E:
S/A: