Perform th a. 5 + 3 = 3 +5
b. -4 -2 = -2
d. (-3
2) 1 = -3 (
21)
c. (3 + 4) + 1 = 3 + (4 + 1)
• 1 =
-3.
+ 1
3+
Questions:
1. What have you observed with the order of the numbers being added in a? being
multiplied in b?
2. What have you observed with the results inside the boxes?
3. Did the order of the addends or factors affect the result?
4. What have you observed with the grouping of the numbers being added in c? being
multiplied in c?
5. What have you observed with the results inside the boxes?
6. Did the grouping of the addends or factors affect the result?