Unit 3 Review

A letter or symbol that represents an unknown quantity is a(n) ___________.

• Coefficient

• Exponent

• Variable

Tags

CCSS.6.EE.A.2B

Look at the variables in the expression below. Choose YES if the terms of each expression are like terms. Choose NO if they are NOT like terms.

3a + 3z

• YES

• NO

Tags

CCSS.6.EE.A.2B

Look at the variables in the expression below. Choose YES if the terms of each expression are like terms. Choose NO if they are NOT like terms

4j - j + 3.8j

• YES

• NO

Tags

CCSS.6.EE.A.2B

How many terms are in the following expression?

28y + 5z x 6

Tags

CCSS.6.EE.A.2B

How many terms are in the following expression?

2a x 4 x 67

Tags

CCSS.6.EE.A.2B

How many terms are in the following expression?

8y - 3 + 5z x 2

Tags

CCSS.6.EE.A.2B

Write the expression using an exponent.

8 x 8 x 8 x 8 x 8 x 8 x 8

Evaluate the expression.

9²

Evaluate the expression.

80 - 4² ÷ 8

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Evaluate the expression.

[20 + (2.5 x 3)] - 3³

• 0.5

• 40.5

• 18.5

• 58.5

Tags

CCSS.7.NS.A.3