Common Core: 1.NBT — Number & Operations in Base Ten
Grade 1 • mental-math • Easy
Doubles Plus One E
Master doubles plus one
8 problems
1.
Doubles Plus One
10 + 9 =
Show your thinking:
2.
Doubles Plus One
1 + 2 =
Show your thinking:
3.
Doubles Plus One
3 + 2 =
Show your thinking:
4.
Doubles Plus One
3 + 4 =
Show your thinking:
5.
Doubles Plus One
5 + 4 =
Show your thinking:
6.
Doubles Plus One
5 + 6 =
Show your thinking:
7.
Doubles Plus One
6 + 7 =
Show your thinking:
8.
Doubles Plus One
7 + 6 =
Show your thinking: