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
1 + ____ = 15
____ + 1 = 6
5 + ____ = 10
____ + 8 = 13
8 + ____ = 17
____ + 4 = 14
2 + ____ = 9
____ + 6 = 17
10 − ____ = 6
____ + 3 = 14
4 + ____ = 8
20 − ____ = 13
12 + ____ = 18
1 + ____ = 20
5 + ____ = 8
8 − ____ = 7
1 + ____ = 18
____ + 11 = 13
7 − ____ = 2
20 − ____ = 11
