Math Review 4/23/2021

What does the E in PEMDAS stand for?

• Equals

• Equivalent

• Exponent

• Even

Solve: (2×10)+4

• 20

• 26

• 7

• 24

3²+4²-(4x2)

• 14
• 9
• 9
• 17

Find and explain the error.    
 5 - 3 + 2
     5 - 5
        0

• There is no error.
• Addition was done first and you should have subtracted first
• There is a subtraction error

5 + 36  $\div$  2 x 3 - 4

• 7

• 55

• 12

Which operation would you do first?
2 · (15 - 2) ÷ 5

• Addition
• Subtraction
• Multiplication
• Division

Solve the problem

2 · (15 - 3) ÷ 6

 $6\times5$  $-$ 4 + 2 ÷ 2

• 60

• 24

• 27

• 12

What is the first operation used in solving this problem:

2 ⋅ (3 + 8 ÷ 4)²

• multiplication

• addition

• division

• subtraction

Solve this problem:

2 ⋅ (3 + 8 ÷ 4)²