Addition and subtraction join and separate assessment Record SheetName of Evaluator:

Read a problem to the student as many times as necessary. Ask them to show and explain as they solve the problems. Then ask questions to check their understanding.

- Sandra had 8 pennies. George gave her 4 more. How many pennies does Sandra have altogether?
- Sandra had 9 pennies. George gave her some more. Now Sandra has 12 pennies. How many did George give her?
- Sandra had some pennies. George gave her 5 more. Now Sandra has 12 pennies. How many pennies did Sandra have to begin with?
- Sandra had 13 pennies. She gave 8 pennies to George. How many pennies does Sandra have now?
- Sandra had 13 pennies. She gave some to George. Now she has 7 pennies. How many did she give to George?
- Sandra had some pennies. She gave 5 to George. Now Sandra has 9 pennies left. How many pennies did Sandra have to begin with?

Problem | Strategy used |
Without prompt |
With prompt |
Unable to do without significant help |

1. Join result unknown |
Join |
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2. Join change unknown |
Join |
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3. Join initial unknown |
Join |
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4. Separate result unknown |
Separate |
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5. Separate change unknown |
Separate |
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6. Separate initial unknown |
Separate |

Dr. Robert Sweetland's Notes ©