Unit 4 Review

An equation is shown.

20 ÷ 4 = 4 x 20

Select the answer that match with the statement below.

The equation is ___ because ___.

• True, the expression on each side of the equal sign use the same number.

• False, the expression have different operation.

• True, the expression on each side of the equal sign do not have the same value.

• False, the expression on each side of the equal sign do not have the same value.

Which expression is equivalent to 6 x 5

• 6 + 5

• 6 ÷ 5

• 5 X 6

• 6 - 5

Which of the following equations can be used to find the quotient for 40 ÷ 5 ? Select all that apply.

• 5 x ? = 40

• ? X 5 = 40

• 40 x 5 = ?

• ? X 40 = 5

• 5 x 40 = ?

Which equation matches the array?

​ (a)  

• 3 x 6 = 18
• 3 + 6 = 9
• 3 x 5 = 15

Which equation is an example of the commutative property of multiplication?

• 6 ÷ 4 = 4 ÷ 6

• 6 x 7 = 7 x 6

• 4 x 2 = 2 x 3

• 9 - 3 = 3 - 9

The model shows 16 trucks divided into 4 groups.

Which equation represents the number of trucks in each group ?

• 4 ÷ 16 = 4

• 16 ÷ 4 = 4

• 4 ÷ 4 = 16

• 4 x 16 = 4

What is the value of the unknown number in the equation 15 = ? X 5

Which statement describes the equation 12 ÷ 6 = 2 x 6

• The equation is true because both expressions equal 10.

• The equation is true because both expressions have the same value.

• The equation is false because one expression has division an the other expression has multiplication.

• The equation is false because the quotient on the left is 2 and the product on the right is 12.

Which equation matches the division shown in the array?

• 3 ÷ 5 = 15

• 5 ÷ 3 = 15

• 15 ÷ 3 = 5

• 15 ÷ 4 = 4

Which equation can be used to find the quotient for 35 ÷ 5 = ?

• 5 x 35 = ?

• ? X 35 = 5

• 5 x ? = 35

• 35 x 5 = ?