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