Missing Addends or Wholes

Aria had 12 pencils in all. She had 5 pencils in her pencil pouch and some in her desk. How many pencils did she have in her desk? (Hint: 5 + ____ = 12)

• 7

• 17

• 3

• 1

Which number will make this number sentence true?
2 +6 = ___ + 3 (Hint: Start on the side with all of its parts.)

• 8

• 4

• 5

• 1

_____ + 12 = 16

• 4

• 5

5 + __ = 16

• 6

• 12

• 11

• 4

4 + __ = 20

• 9

• 15

• 4

• 16

__ + 8 = 19

• 11

• 6

• 9

• 4

9 + __= 18

• 9

• 8

• 5

• 10

30 + ___ = 90

• 120

• 60

• 70

• What am I supposed to do?

Which number will make this number sentence true?
8 + ___ = 10

• 18

• 2

• 6

• 1

Joy had 12 pencils in all. She had 5 pencils in her pencil pouch and some in her desk. How many pencils did she have in her desk? (Hint: 5 + ____ = 12)

• 7

• 17

• 3

• 1