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Children’s Strategies on Mathematical Equivalence Problems
| Strategy Type | Description | Example Responses |
|---|---|---|
| Correct | Made both sides of the equal sign the same amount | 3 + 7 + 8 = 10 + 8 |
| Arithmetic-Incorrect | ||
| Add-All | Added all the numbers in the problem | 3 + 7 + 8 = 26 + 8 |
| Add-to-Equal | Added all the numbers before the equal sign | 3 + 7 + 8 = 18 + 8 |
| Other-Incorrect | ||
| Carry | Copied one number from the problem | 3 + 7 + 8 = 3 + 8 |
| Idiosyncratic | Idiosyncratic combination of numbers | 3 + 7 + 8 = 16 + 8 |
