Math G4 : Review 3 : Multiplication and Division

What is the unknown value?

70 ÷ 7 = 10

700 ÷ 7 = 100

7,000 ÷ 7 = ?

• 700

• 1,000

• 7,000

• 100

Which area model represents 87 ÷ 5?

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• 
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Afaf divides 617 ÷ 5 using the partial quotients algorithm. She uses 100 as the quotient on the first step. What is her next step?

• Multiply 100 by 617 and subtract it from 5.

• Multiply 100 by 617 and add it to 5.

• Multiply 100 by 5 and subtract it from 617.

• Multiply 100 by 5 and add it to 617.

Which expression can be used to check the solution of this division problem?

• 19 × 8

• 19 × 153

• 19 × 8 + 1

• 19 × 153 + 1

Amir has 30 crackers. He wants to give the same number of crackers to 3 friends. How many crackers will each friend get?

• 10 crackers

• 3 crackers

• 5 crackers

• 1 cracker

• 6

• 60

• 600

• 6,000

• 45

• 5

• 9

• 0

• 24

• 4

• 6

• 0

• 28

• 3

• 9

• 1

The additive identity element is .......

• 0

• 1

• $\frac{1}{2}$

• 2