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 + ____ = 18
3 + ____ = 17
15 − ____ = 5
2 + ____ = 5
2 + ____ = 11
12 − ____ = 5
____ + 18 = 19
____ + 4 = 14
9 − ____ = 4
1 + ____ = 6
15 + ____ = 18
10 + ____ = 14
4 + ____ = 9
1 + ____ = 5
18 + ____ = 19
8 − ____ = 5
____ + 10 = 15
13 − ____ = 8
6 + ____ = 14
7 − ____ = 2
