Use your hands
Use a number line
Use drawings
Addition is commutative
Doubles
100
Use your hands to solve:
2 + 3 = ____
2 + 3 = 5
100
Use a number line to solve:
3 + 4 = ____
3 + 4 = 7
100
Draw polka dots to solve:
3 + 2 = ____
3 + 2 = 5
100
If
5 + 4 = 9
4 + 5 = ?
5 + 4 = 9
4 + 5 = 9
100
1 + 1 = ____
1 + 1 =2
200
Use your hands to solve:
4 + 3 = ____
4 + 3 = 7
200
Use a number line to solve:
1 + 6 = ____
1 + 6 = 7
200
Draw polka dots to solve:
1 + 4 = ____
1 + 4 = 5
200
If
2 + 6 = 8
6 + 2 = ?
2 + 6 = 8
6 + 2 = 8
200
2 + 2 = ____
2 + 2 = 4
300
Use your hands to solve:
6 + 2 = ____
6 + 2 = 8
300
Use a number line to solve:
7 + 3 = ____
7 + 3 = 10
300
Draw polka dots to solve:
3 + 3 = ____
3 + 3 = 6
300
If
8 + 1 = 9
1 + 8 = ?
8 + 1 = 9
1 + 8 = 9
300
3 + 3 = ____
3 + 3 = 6
400
Use your hands to solve:
8 + 1 = ____
8 + 1 = 9
400
Use a number line to solve:
4 + 4 = ____
4 + 4 = 8
400
Draw polka dots to solve:
4 + 2 = ____
4 + 2 = 6
400
If
10 + 5 = 15
5 + 10 = ?
10 + 5 = 15
5 + 10 = 15
400
4 + 4 = ____
4 + 4 = 8
500
Use your hands to solve:
5 + 5 = ____
5 + 5 = 10
500
Use a number line to solve:
3 + 5 = ____
3 + 5 = 8
500
Draw polka dots to solve:
5 + 2 = ____
5 + 2 = 7
500
If
2 + 2 = 4
2 + 2 = ?
2 + 2 = 4
2 + 2 = 4
500
5 + 5 = ____
5 + 5 =10