Evaluation Numerical Expressions

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

Tags

CCSS.7.NS.A.1D

[ ( 6 x 3) ] x 2 ÷ 9

• 2

• 4

• 14

• 62

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

2 + (9² - 4)

• 16

• 77

• 79

Tags

CCSS.7.NS.A.3

Place the parenthesis so that the expression equals 20.
5 x 4 - 3 + 24  ÷ 6 + 2

• (5 x 4) - 3 + 24  ÷ 6 + 2

• 5 x (4 - 3) + 24  ÷ 6 + 2

• 5 x 4 - (3 + 24)  ÷ 6 + 2

• 5 x 4 - 3 + 24  ÷ (6 + 2)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Multiply 2 and 12, and then subtract 8. Which numerical expression represents this statement?

• 8 - 12 x 2

• (12 x 2) - 8

• 2 x (12 - 8)

• 12 x (2 - 8)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

40+(72÷9)÷8

• 49

• 25

• 41

• 15

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

16 ÷ 2 x 4 - 3

• 5

• -1

• 25

• 29

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Simplify the following:
(2 + 7 - 1) ÷ 2²

• 16

• 2

• 72.25

• 8.75

Tags

CCSS.6.EE.A.1

2 × 3³ + 7

• 91

• 61

• 235

• 77

Tags

CCSS.6.EE.A.1

(7 + 41) ÷ 2 – 15

• 19

• 9

• 25

• 3

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2