Common Core: 1.NBT — Number & Operations in Base Ten
Grade 1 • mental-math • Beginner
Doubles Facts 2
More practice with doubles
8 problems
1.
Doubles
9 + 9 =
Show your thinking:
2.
Doubles
10 + 10 =
Show your thinking:
3.
Doubles
1 + 1 =
Show your thinking:
4.
Doubles
2 + 2 =
Show your thinking:
5.
Doubles
3 + 3 =
Show your thinking:
6.
Doubles
4 + 4 =
Show your thinking:
7.
Doubles
5 + 5 =
Show your thinking:
8.
Doubles
6 + 6 =
Show your thinking: