Math Practice Topic: Basic Addition to 100

Description: Two-digit addition with minimal regrouping.

Adaptive Learning Progression: Starts without regrouping, then adds one regrouping step at higher levels.

Sample Levels (out of 6)

Add.

1.
13
+ 5
2.
9
+ 10
3.
10
+ 8
4.
10
+ 3

Add.

1.
53
+ 24
2.
89
+ 10
3.
62
+ 10
4.
49
+ 30

Add.

1.
12
+ 9
2.
88
+ 5
3.
59
+ 4
4.
60
+ 40

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