7 Lesson 4: Writing and Evaluating Expressions (Combining Like Terms and Substitution

Evaluate 8a - b     if a = 10   and   b = 6

• 74
• 38
• 1000
• 9000

Tags

CCSS.6.EE.A.2C

Evaluate 2r + 1      if   r = 3

• 6
• 5
• 7
• 8

Tags

CCSS.6.EE.A.2C

3x + 8   if x = 2

• 13
• 14
• 15
• 16

Tags

CCSS.6.EE.A.2C

Evaluate 7y - 3y for y=2

• 40
• 73
• 8
• 4

Tags

CCSS.6.EE.A.2C

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

• 42
• 46
• 34
• 58

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

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

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

Tags

CCSS.7.EE.A.1

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

Tags

CCSS.7.EE.A.1

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Tags

CCSS.7.EE.A.1

Simplify the following expression
9 + 5m - 4

• 5m-5
• 10m
• 5m+5
• 5m+13

Tags

CCSS.7.EE.A.1

Simplify the following expression:
3 + 5x + 8 - 2x

• -3x² - 11
• 3x² + 11
• 11 - 3x
• 11 + 3x

Tags

CCSS.6.EE.A.3