Multiplication and Division Problems

How would you compare the value of these 2 answers without actually solving them?
   a.   5 x 100
   b. 5  x 1000

• will be 100 times greater

• will be 10 times greater

• They are the same

• is 100 times smaller

What is missing in this problem?
5.7 __________  = 570

•  x 10

• ÷ 10

• x 100

• + 70

Kaine has 1,345 rocks. If he passed them out equally to 5 friends, how many rocks would each friend get?

Jayden has 14 packages of erasers to put into bags. Each package has 42 erasers. He put 4 erasers into each bag. How many bags did he put erasers into?

• 588

• 147

• 10 r. 2

• 168

Kylie had 14 packages of candies to put into bags.

Each package had 42 candies. She put 5 candies into each bag.

What is the greatest number of bags Kylie could have put candies into?

• 117

• 118

• 588

• 3

There are 24 rows of sunflowers on a farm. There are 4 sunflowers in each row. A farmer will use 3 trucks to take all of the sunflowers to a market. The farmer will put the same number of sunflowers in each truck.

How many sunflowers will be in each truck?

• 96

• 288

• 168

• 32

The fourth grade students at WES are taking buses to go on a field trip. There are 159 fourth graders. Each bus can hold 6 students. How many buses would WES need for the field trip?

• 26

• 3

• 27

• 29

How much does this sheet of stamps cost?

3 x 6 =

• 9 cents

• 18 cents

• 24 cents

• 33 cents

Answer explanation

Remember to use one of your 4 multiplication strategies. 3 x 6= ? You could... 6+6+6 = or number line or array

The coral is 20 centimeters long. The stingray is 5 times as long as the coral. Which equation would you use to find out how long the stingray is? (The letter l stands for the length of the stingray.)

• 20 + 5 = l

• 20 × 5 = l

• 20 – 5 = l

• 20 × l = 5

There are 4 cans of dog food for $3 each.

• 4 +1 = $5.00

• 4 + 4 + 4 = 16

• 4 x 3 = $12.00

• 3 x 3+4 = 13 dollars and 60 cents