Number Sense Worksheet
Recommended for Kindergarten — 2nd Grade
Number Sense Worksheet
Name: ____________________Date: ____________
Instructions: Recognizing, building, and decomposing small numbers with ten frames and number bonds.
20 problems
10 + ____ = 18
____ + 8 = 17
5 + ____ = 7
15 − ____ = 1
____ + 7 = 20
19 − ____ = 15
17 + ____ = 19
15 + ____ = 20
____ + 5 = 6
15 + ____ = 20
3 + ____ = 7
____ + 4 = 18
8 + ____ = 9
4 + ____ = 8
____ + 1 = 10
____ + 7 = 8
____ + 1 = 12
____ + 2 = 11
8 − ____ = 1
13 + ____ = 18
