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 + ____ = 5
20 − ____ = 15
6 − ____ = 3
11 + ____ = 12
3 + ____ = 6
____ + 5 = 6
____ + 2 = 13
____ + 3 = 18
1 + ____ = 18
____ + 3 = 12
9 − ____ = 2
10 + ____ = 11
16 + ____ = 20
7 − ____ = 5
10 + ____ = 15
3 + ____ = 6
8 − ____ = 5
____ + 10 = 15
____ + 12 = 16
____ + 1 = 9
