4.5a Representing Multi Step Problems-Equations_Strip Diags

Liza has collected 400 stamps. Mary has twice as many stamps as Liza. Mary then gave 125 stamps to her cousin so she can start her own collection of stamps. Which equation can be used to find x, the number of stamps Mary has now?

Mark had 45 football cards. Josh had twice as many football cards as Mark. Josh then bought 5 more football cards. Which equation can be used to find f, the number of football cards Josh has now?

Sabra read a total of 185 pages in three days.

*On the first day, she read 85 pages.

*On the second day and third days, she read the same number of pages.

Which diagram shows a way to find p, the number of pages Sabra read on the third day?

Madeline has 4 rolls of tape. Each roll contains 63 inches of tape. Madeline used 42 inches of tape for a project. Which diagram can be used to find n, the number of inches of tape Madeline has left?

It took Ian three years to collect 25,413 aluminum cans to recycle. In the first year, he collected 8,917. In the second year, he collected 7,639. Which equation shows how to find x, the number of cans he collected the third year?