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
____ + 2 = 5
2 + ____ = 17
____ + 4 = 9
4 + ____ = 8
2 + ____ = 5
20 − ____ = 1
20 − ____ = 18
13 − ____ = 3
____ + 9 = 12
____ + 18 = 19
3 + ____ = 16
20 − ____ = 1
13 − ____ = 1
____ + 1 = 15
18 − ____ = 3
3 + ____ = 14
3 + ____ = 9
____ + 5 = 7
____ + 3 = 9
4 + ____ = 11
