writing, simplifying and evaluating expressions

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Tags

CCSS.7.EE.A.1

Simplify the expression: 7v + 2 + 12 + 2v

• 23
• 23v
• 9 + 14v
• 9v + 14

3(2c - 5)

• 6c - 15
• 6c + 15
• 6c + 15
• -6c - 15

5(a + 6)

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

Tags

CCSS.7.NS.A.1D

Simplify 14(b – 10).

• 4b
• b – 140
• 14b – 140
• 14b – 10

2(3v - 8) 

• 6v-16
• 6v-8
• 6v-6
• 6v+8

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

What are the variables in the following expression: 3z + 4x - 1 + 7y

• 3, 4, 1 and 7
• z, x and y
• + and -
• 15

Tags

CCSS.6.EE.A.2B

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11