Multiply It!
What is the product of 24 x 3?
72
Solve 48 ÷ 6
8
What multiplication property is shown? (associative, commutative, distributive)
7 x 9 = 9 x 7
commutative
Name all the factor pairs of 24
1 x 24
2 x 12
3 x 8
4 x 6
5 x 8 = 8 x 5
True- Commutative Property
Use partial products to solve: 236 x 7
(200 x 7) + (30 x 7) + (6 x 7)
1,652
Solve using an area model.
245 ÷ 9
27 R 2
What multiplication property is shown? (associative, commutative, distributive)
(2x5) x 6 = (5x6) x 2
Associative Property
What are the first 5 multiples of 7?
7, 14, 21, 28, 35
Is 4 a factor of 28? Explain how you know.
Yes. 4 x 7 = 28
Use an area model (box method) to solve 148 x 6
888
Solve.
2,457 ÷ 6
409 R 3
24 x 6
(20 x 6) + (4 x 6)
144
What are ALL the factors of 18?
1,2,3,6,9,18
Without solving, which expression is bigger and how do you know?
2,348 x 4 or 2,438 x 4?
2,438 x 4 will be greater because the hundreds place is bigger than 2,348.
Solve 47 x 36 using an area model or partial products.
1,692
A teacher has 382 Jolly Ranchers. She puts 9 pieces in each bag.
How many full bags can she make, and how many Jolly Ranchers will be left over?
42 full bags with 4 Jolly Ranchers left over.
What multiplication property is being used? and Solve
(12 x 5) x 8 = 12 x (5 x 8)
Associative Property
480
What are the first three common multiples of 4 and 6?
12, 24, 36
Is he correct? Why or Why Not? If wrong, write the correct way to solve.
No. Mark left out 20 x 6 and 4 x 30.
(20 x 30) + (20 x 6) + (4 x 30) + (4 x 6)
A school has 8 trucks. Each truck can carry 1,245 pounds of food. How many pounds of food can the trucks carry all together?
9,960 pounds
A store has 4,370 Needoh's. Each box holds 8 Needoh's.
How many FULL boxes can be filled? If the store then puts the full boxes into groups of 6, how many groups can it make?
546 boxes can be filled
91 groups of boxes
Use the Distribute Property to Solve:
2,457 ÷ 6
409 R 3
(2,000 ÷ 6) + (400 ÷ 6) + (50 ÷6) + (7 ÷6)
or
(2,400 ÷ 6) + (57 ÷6)
There are 42 students. They must be placed into equal-sized groups with no students left over. Each group must have more than 2 students but fewer than 8 students. What group sizes are possible?
3, 6, and 7
A teacher has 2,500 pencils. She wants to put 8 pencils in each box.
How many FULL boxes can she make, and how many pencils will be left over?
If all pencils must be boxed, would she need another box?
312 full boxes with 4 left over.
If all pencils must be boxed, she needs 313 boxes.