Counting On
Make a 10
Doubles
Doubles +1
Use a Number Line
100
3 + 5 = ?
3 + 5 = 8
Think 5 in your head and count on 3
100
6 + 5 = ?
6 + 5 = 11
Think 6 + 4 = 10
10 + 1 = 11
100
3 + 3 = ?
3 + 3 = 6
100
5 + 6 = ?
5 + 6 = 11
Think 5 + 5 = 10
1 more is 11
100
7 + 4 = ?
7 + 4 = 11
200
2 + 6 = ?
2 + 6 = 8
Think 6 in your head and count on 2
200
9 + 3 = ?
9 + 3 = 12
Think 9 + 1 = 10
10 + 2 = 12
200
4 + 4 = ?
4 + 4 = 8
200
6 + 7 = ?
6 + 7 = 13
Think 6 + 6 = 12
1 more is 13
200
5 + 3 = ?
5 + 3 = 8
300
8 + 4 =?
8 + 4 = 12
Think 8 in your head and count on 4
300
10 + 5 = ?
10 + 5 = 15
Think 10 + 0 = 10
10 + 5 = 15
300
5 + 5 = ?
5 + 5 = 10
300
8 + 9 = ?
8 + 9 = 17
Think 8 + 8 = 16
1 more is 17
300
8 + 6 = ?
8 + 6 = 14
400
7 + 4 = ?
7 + 4 = 11
Think 5 in your head and count up 4
400
7 + 6 = ?
7 + 6 = 13
Think 7 + 3 = 10
10 + 3 = 13
400
7 + 7 = ?
7 + 7 = 14
400
9 + 10 = ?
9 + 10 = 19
Think 9 + 9 = 18
1 more is 19
400
16 + 3 = ?
16 + 3 = 19
500
11 + 5 = ?
11 + 5 = 16
Think 11 in your head and count on 5
500
5 + 7 = ?
5 + 7 = 12
Think 7 + 3 = 10
10 + 2 = 12
500
9 + 9 = ?
9 + 9 = 18
500
11 + 12 = ?
11 + 12 = 23
Think 11 + 11 = 22
1 more is 23
500
14 + 3 = ?
14 + 3 = 17