Tutorials

Which expression represents

the prime factorization of 90?

• 2 x 3²

• 2 x 3³ x 4

• 2 x 3² x 5

• 2² x 3²

Solve: 3⁴

• 12

• 9

• 81

• 28

Tags

CCSS.3.OA.D.8

Solve: (2×10)+4

• 20

• 26

• 7

• 24

Tags

CCSS.7.NS.A.3

Solve: (3+12)-3²

• 4

• 6

• 2

• 7

Tags

CCSS.7.NS.A.3

8²-7²

• 5
• 2
• 15
• 1

Tags

CCSS.2.NBT.B.5

3²+4²-(4x2)

• 14
• 9
• 9
• 17

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

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

40+(72÷9)÷8

• 49
• 25
• 41
• 15

Tags

CCSS.7.NS.A.3

Simplify the following:  
-8 + (15 - 3) ÷ 4

• -5
• 1
• -11
• 11

Tags

CCSS.7.NS.A.3

Which operation would you do first in the following equation?

10 - 4 ÷ 1 x 5

• Subtraction

• Division

• Multiplication

• Addition

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2