PEMDAS & Simplifying Expressions Review

What step would I do second ? (4-2) x 9 + 7 =

• multiplication
• subtraction
• addition
• dividing

5 x (7 -2) + (8+1)

• 70
• 77
• 42
• 34

What would you solve first?
3 x 48 / (15 - 3)

• 3 x 48
• 48 / 15
• 15 - 3 
• 48-12

6+(4²-1)

• 21
• 13
• 99
• 22

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

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

Tags

CCSS.7.EE.A.1

-6k + 7k=

• k
• -k
• 12k
• -12k

Tags

CCSS.7.EE.A.1

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Tags

CCSS.7.EE.A.1

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

Tags

CCSS.6.EE.A.2B

Simplify    
5(2 - 7n)

• 52 - 7n
• 10 - 7n
• 10 - 35n
• 10 + 35n

Tags

CCSS.6.EE.A.3