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
3 + ____ = 17
17 + ____ = 18
12 − ____ = 9
7 + ____ = 17
____ + 8 = 9
____ + 9 = 12
12 + ____ = 20
____ + 8 = 9
14 + ____ = 19
1 + ____ = 15
____ + 1 = 7
4 + ____ = 5
9 − ____ = 6
____ + 15 = 16
____ + 16 = 20
____ + 13 = 19
12 − ____ = 9
____ + 5 = 6
19 − ____ = 14
____ + 1 = 15
