Sheet # 188/Number Properties

Name: _____________________ Date_____________

1) There are two water hoses filling up a fire truck. If you switch the two hoses, would it make any difference?

2) At the beginning of the year, Mrs. Smith organized her class in 4 rows and 6 columns. Six months later, she rearranged the class in 6 rows and 4 columns. Write the number sentence for each arrangement. What do you notice?








3) Take 25 pennies. First, make five stacks of two pennies and five stacks of three pennies. Write the number sentence. Now pair each stack of two pennies with a stack of three pennies. Write the number sentence again. Is the result same? What do you notice?

Answers to Sheet #188
1. No

2. 4 rows x 6 columns = 24
6 rows x 4 columns = 24

3. (5 stacks x 2 pennies) + (5 stacks x 3 pennies) =
10 pennies + 15 pennies = 25 total pennies