Doubles
5 + 5=
10
4 + _____ =10
6
6 + 4=10
10 + 1=
11
1 + 10=11
Gabby has 3 Taylor Swift albums. Mrs. A has 2 Taylor swift albums. How many do they have in all?
Do you need to add or subtract to solve?
You need to add +
5 + 4=
9
4 + 5=9
4 + 4=
8
5 + ____=10
5
10-1=
9
There were 12 pieces of pizza at the party. The kids ate 6 pieces of pizza. How many pieces of pizza were left?
Do you need to add or subtract to solve?
You need to subtract -
2 + 6=
8
6 + 2=8
6 + 6 =
7 + _____= 10
3
3 + 7=10
8 + 1=
9
1 + 8 =9
There was a bake sale. Parents sent in 20 brownies, 23 cupcakes, and 40 cookies to sell. How many baked goods were there in all to sell?
You need to add.
20 + 23 + 40=?
7 + 4=
11
4 + 7=11
3 + 3=
6
6 + ____=10
4
4 + 6=10
6 + 1=
7
1 + 6=7
In 2nd grade, twenty-three students bought pizza for school lunch on Friday. Forty students bought a sandwich on Friday. How many students bought lunch?
You need to add.
23 + 40=?
9
6 + 3=9
2 + 2=
4
2 + ____=10
8 + 2=10
7-1=
6
Challenge Question!
The school library has 30 books about animals. They get 12 new animal books. Then they remove 5 old animal books. How many animal books does the library have now?
You need to both add and subtract. + and -
5 +3=
8
3 + 5=8