MyMathKidK-8 Curriculum
Common Core: 1.NBT
Answer Key
Grade 1 • place-value • Easy

Building 2-Digit Numbers (Set A)

Combine tens and ones to make numbers

10 problems

1.
Break apart 63 into tens and ones:
__tens
and
__ones
2.
Break apart 48 into tens and ones:
__tens
and
__ones
3.
Break apart 33 into tens and ones:
__tens
and
__ones
4.
Break apart 19 into tens and ones:
__tens
and
__ones
5.
Break apart 94 into tens and ones:
__tens
and
__ones
6.
Break apart 79 into tens and ones:
__tens
and
__ones
7.
Break apart 64 into tens and ones:
__tens
and
__ones
8.
Break apart 50 into tens and ones:
__tens
and
__ones
9.
Break apart 35 into tens and ones:
__tens
and
__ones
10.
Break apart 20 into tens and ones:
__tens
and
__ones
Math Worksheets for Kids • Worksheet #building-2-digit-a