1
2
3
4
100
The camping club wants to rent rafts. Each raft can hold 8 people. Which equation could be used to find how many rafts are needed for 32 people?
■ × 8 = 32
100
Each train can carry 20 cars. Draw and use a number line to find how many cars 6 trains can carry.
______ cars
100
Is the unknown factor is 6.
1) 4 × ■ = 32 - Yes or No
2) ■ × 6 = 36 - Yes or No
3) 8 × ■ = 49 - Yes or No
4) ■ × 30 = 180 - Yes or No
1) Yes
2) No
3) No
4) Yes
200
Find a rule for this table.
Multiply by 80 or add 80
200
Tim describes a pattern. He says the rule for the pattern shown in the table is “Add 3.” Is his rule correct? Explain how you know.
Tim is incorrect. Each package has 4 markers so the rule is add 4 or multiply by 4
200
Choose the number from that makes the sentence true. A library has 48 shelves of fiction books. There are 6 shelves in each cabinet.
There are: 7
8
9
cabinets of fiction books in the library.
8
200
1) 5 × (4 + 4) = 8 × 5 - True or False
2) 8 × (3 + 3) = 8 × 5 - True or False
3) (3 × 5) + (5 × 5) = 8 × 5 - True or False
4) (3 × 2) + (8 × 3) = 8 × 5 - True or False
1) True
2) False
3) True
4) False
300
Samantha made this multiplication model. Complete the equation that represents the model.
30 x 3 = 90
300
Devon has 80 books to pack in boxes. She packs 20 books in each box. How many boxes does she need?
Write an equation using the letter n to stand for the unknown factor.
Explain how to find the unknown factor.
What is 4 boxes.
20 x n = 80
I thought what how many 20s in 80
400
Ruben is collecting cans for the recycling contest at school. He makes two plans to try to collect the most cans.
Plan A: Collect 20 cans each week for 9 weeks.
Plan B: Collect 30 cans each week for 7 weeks.
Part A
Which plan should Ruben choose? __
Part B
Explain how you made your choice.
Plan A: 20 x 9 = 180 cans
Plan B: 30 x 7 = 210 cans
He should choose plan B.
I multiplied the number of cans times the number of weeks for each plan.
400
Write an equation that shows the distributive property
using this equation: 8 x 20 =
8 × 20 = 8 × (10 + 10)
or
5 × 60 = 5 × (20 + 40)
400
A printer prints newsletters for many groups every month. Which group uses the greatest number of pieces of paper?
What is Book Lovers Club
6 x 80 - 480 pieces of paper
500
Heather’s puppy weighs 23 pounds. He has been gaining 3 pounds every month as he grows. If this pattern continues, how much will the puppy weigh 5 months from now?
What is 38 pounds
500
Cody saves all his nickels. Today he is getting them out of his piggy bank and wrapping them to take to the bank.
He finds he has 360 nickels. It takes 40 nickels to fill each paper wrapper and make a roll. How many wrappers does he need?
Write an equation using n for the unknown factor.
Find the number of rolls needed.
40 x n = 360 wrappers
n = 9
He needs 9 wrapper
500
Alya planted 30 trays of flowers. Each tray held 8 flowers.
Javon planted 230 flowers.
Did Alya plant more flowers than Javon, the same number of flowers as Javon, or fewer flowers than Javon?
She planted more flowers than Javon.
500
A store has 30 boxes of melons. Each box holds 4 bags. Each bag holds 2 melons. What is the total number of melons in the store?
What is 240 melons