Addition and subtraction join and separate assessment and rubricName 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 

2. Join change unknown 
Join 

3. Join initial unknown 
Join 

4. Separate result unknown 
Separate 

5. Separate change unknown 
Separate 

6. Separate initial unknown 
Separate 
Addition and subtraction with regrouping assessment and rubric
Ask the students to select two numbers (if the first two numbers can not create a problem that requires regrouping, ask for additional numbers until it's possible) Ask the student to create an addition and subtraction problem with the numbers and model a solution with manipulatives.
Without prompt 
With prompt 
Unable to do without significant help 

Solved the problem correctly 

Used manipulatives and accurate procedure 

Used symbols (sticks and dots) and accurate procedure 

Used paper and pencil and an accurate procedure 

Used mental mathematics and an accurate procedure 

Forgot to regroup 

Solved the problem, and when asked what the numeral three and four stood for answered correctly. (You got 43 for an answer. What does the three mean? What does the 4 mean? What do they mean together?) 
Dr. Robert Sweetland's Notes ©