Math Review-Addition and Subtraction within 100

30  $+$   60

• 63

• 90

• 09

72 + 9  $=$  82

• true

• false

8  $+$  5  $+$  5 $=$  

• 17

• 18

• 19

 

• 37

• 26

• 27

88 - 9 =  78

• true

• false

33 + 37 =

• 70

• 69

• 60

Tags

CCSS.2.NBT.B.5

71 - 14 =

• 67

• 57

• 56

• 22

• 21

• 20

24 + 16 =

• 30

• 40

• 41

Look at the picture. The correct subtraction equation based on the picture is

• 34 - 30 = 4

• 34 - 4 = 30

• 30 - 4 = 30