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