Math Practice Topic: Long Addition to 1000

Description: Large number addition with regrouping. Goal is to accurately solve addition with large operands (2 digits or more) reasonably quickly and build up skill to solve harder and harder problems. Try to do these in your head. Otherwise, work this out on paper.

Adaptive Learning Progression: Starts with problems up to 20+20, then ramps up to problems as big as 500+500.

Sample Levels (out of 5)

Add.

1.
19
+ 9
2.
19
+ 15
3.
13
+ 19
4.
12
+ 14

Add.

1.
54
+ 45
2.
93
+ 37
3.
45
+ 88
4.
76
+ 84

Add.

1.
471
+ 475
2.
415
+ 498
3.
482
+ 466
4.
458
+ 499

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