Missing Number

Missing Sum and Difference

100

200-50

150

200

192-92

100

300

55+68

123

400

$5.45 + $3.20

$8.65

500

$3.12 + $0. 07

$3.19

Missing Addition

100

Find the missing addend:

13 + ____ = 21

_____ = 8

200

Find the missing addend:

15 + ____ = 20

____= 5

300

Find the missing addend:

12 + _____ = 15

______ = 3

400

Find the missing addend:

9 + x = 20

x = 11

500

Find the missing addend:

30 + ____ = 33

____ = 3

Missing in subtraction

100

Find the missing number:

15 - ____ = 10

____ = 5

200

12 - _____ = 5

____ = 7

300

19 - _____ = 14

_____ = 5

400

13 - ______ = 7

_______ = 6

500

12 - ____ = 4

_______ = 8

Missing number (Multiplication)

100

 4 x _____ = 28

_____ = 7

200

______ x 5 = 25

______ = 5

300

______ x 6 = 18

_______ = 3

400

8 X ____ = 48

________ = 6 

500

________  x 7 = 35 

_______ = 5