Missing Number Add Subtract or Subtract Subtract

What is the missing number in the addition problem: 5 + ? = 12?

• 3

• 15

• 9

• 7

What is the missing number in the subtraction problem: 15 - ? = 7?

• 8

• 12

• 9

• 6

What is the missing number in the addition problem: ? + 8 = 17?

• 9

• 7

• 15

• 10

What is the missing number in the subtraction problem: 25 - ? = 18?

• 20

• 15

• 7

• 10

What is the missing number in the addition problem: 9 + ? = 16?

• 10

• 7

• 5

• 8

What is the missing number in the subtraction problem: 32 - ? = 20?

• 10

• 25

• 12

• 15

What is the missing number in the addition problem: ? + 12 = 27?

• 10

• 20

• 15

• 25

What is the missing number in the subtraction problem: 40 - ? = 28?

• 12

• 16

• 24

• 8

What is the missing number in the addition problem: 7 + ? = 19?

• 5

• 12

• 10

• 15

What is the missing number in the subtraction problem: 50 - ? = 42?

• 10

• 8

• 20

• 15