Addition and subtraction join and separate assessment and rubric

Name 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.

  1. Sandra had 8 pennies. George gave her 4 more. How many pennies does Sandra have altogether?
  2. Sandra had 9 pennies. George gave her some more. Now Sandra has 12 pennies. How many did George give her?
  3. Sandra had some pennies. George gave her 5 more. Now Sandra has 12 pennies. How many pennies did Sandra have to begin with?
  4. Sandra had 13 pennies. She gave 8 pennies to George. How many pennies does Sandra have now?
  5. Sandra had 13 pennies. She gave some to George. Now she has 7 pennies. How many did she give to George?
  6. 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 ©