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Missing Numbers to 20

Worksheet 1

Name: ____________________________

__     __    13       __    15       (1)

9       __     __    12       __     (2)

__     __    6       __    8       (3)

11       __     __     __    15       (4)

14       __    16       __     __     (5)

4       __     __     __    8       (6)

__     __    12      13       __     (7)

9       __     __    12       __     (8)

15      16       __     __     __     (9)

__     __    10       __    12       (10)

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