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