200
Mrs. Stern got 5 new dry erase markers. Mrs. Hehr got 7. Each marker costs $2. Explain what Ana did to find out how much money they spent in all.
5 + 7 = 12
12 x 2 = $24
What is ...
Ana added 5 and 7 because that's how many markers Ms. Stern and Mrs. Hehr got together. Then Ana multiplied 12 x 2 because 12 is the number of makers and each costs $2. The answer is $24.