Math Practice Topic: Addition Grouping

Description: Simplify problems by grouping numbers together.

Adaptive Learning Progression: The number of problems increases.

Sample Levels (out of 5)

For each problem, check to see if two of the numbers add up to 10. Then find the total sum.
Example: 4 + 8 + 6 = ?
  Groupable Numbers: 4 + 6
  Total sum: (4 + 6) + 8 = 18

1.
1 + 8 + 9 = ?

Groupable Numbers:
1 + 8
8 + 9
1 + 9
None of the above

Total sum:

For each problem, check to see if two of the numbers add up to 10. Then find the total sum.
Example: 4 + 8 + 6 = ?
  Groupable Numbers: 4 + 6
  Total sum: (4 + 6) + 8 = 18

1.
2 + 8 + 1 = ?

Groupable Numbers:
2 + 8
8 + 1
2 + 1
None of the above

Total sum:
2.
7 + 5 + 4 = ?

Groupable Numbers:
7 + 5
5 + 4
7 + 4
None of the above

Total sum:
3.
9 + 1 + 5 = ?

Groupable Numbers:
9 + 1
1 + 5
9 + 5
None of the above

Total sum:
4.
2 + 8 + 6 = ?

Groupable Numbers:
2 + 8
8 + 6
2 + 6
None of the above

Total sum:
5.
5 + 5 + 2 = ?

Groupable Numbers:
5 + 5
5 + 2
None of the above

Total sum:
6.
2 + 4 + 8 = ?

Groupable Numbers:
2 + 4
4 + 8
2 + 8
None of the above

Total sum:

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