STAMP STUMPERS
Name _____ Date __
How much is one octagon stamp?
The total cost of the four stamps on the envelope is 17¢.
The octagon stamps cost the same.
24
First, I’ll pretend to take the
2¢ stamp off the envelope.
Then I’ll change the total cost.
1.Why did Ima pretend to take the 2¢ stamp off
of the envelope? ___
2.How did Ima change the total cost?
3.How much is one octagon stamp? __
4.How did you figure out the answer to #3?
PROBLEM
1
Algebra Readiness Made Easy: Gr
. 4
© 2008 by Greenes, Findell & Cavanagh, Scholastic Teaching Resources
Ima Thinker
3 stamps
Total cost... 17¢