Math Review T10&11

Use mental math to subtract. 

    26 - 10 = ______ 

• 16

• 46

• 36

• 3

Tags

CCSS.1.OA.C.6

Use mental math to subtract.

        67 - 10 _____

• 57

• 77

• 47

• 67

Tags

CCSS.2.NBT.B.5

Use mental math to find 46 - 10 = _____.

• 26

• 36

• 56

• 66

Tags

CCSS.2.NBT.B.5

Use mental math to solve the equation.

17 + 10 = _____

• 107

• 27

• 18

• 28

Tags

CCSS.2.NBT.B.5

Is this equation correct?  Why or why not? 

 45 + 10 = 35

• True

• False

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

50 leaves are on the tree.  

The wind blows 30 leaves to the ground.

How many leaves are on the tree now?

• 30

• 40

• 50

• 20

Tags

CCSS.2.OA.A.1

Allison makes 50 bracelets for the craft fair.

She sells 20 bracelets.

How many bracelets does Allison have left?

Select the equation that matches the problem.

• 60-20=40

• 50-10=40

• 50-30=20

• 50-20=30

Tags

CCSS.2.OA.A.1