Here are some subtraction problems we’ll be working with throughout the activity.

(a)
(b)
(c)
(d)
Use red and black chips to model each of the expressions above. How do you see each of the numbers? How do you see the operation in your picture?
Use a number line to model each of the expressions above. How do you see each of the numbers? How do you see the operation in your picture?
Use checks and bills to model each of the expressions above. How do you see each of the numbers? How do you see the operation in your picture?
We had several different interpretations of subtraction. Using our real-life integer contexts, try writing different types of story problems for each expression.
2026-07-17 02:44:10