Matt’s Uncle came to visit. He brought Matt his old baseball card collection as a gift. Each page holds 9 baseball cards, and there are a total of 48 pages in the album. If each page is full, how many total baseball cards are in the album?
Make estimation.
Number sentence matches plan from L step.
Computation is correct.
If every page is full, every page has 9 cards. If there are 48 pages, there are 48 'sets' of 9 cards each. So, we must multiply 9 by 48 to get 432 as our answer.
