Multiply, then subtract
~10 min
Use multiplication to find how many items are in all equal groups.
Finding the Grouped Total
5 items
5 items
5 items
5 items
4 x 5
To find a grouped total, multiply the number of groups by how many items are in each group. This tells you the total amount you have before you take anything away.
💡 Think of this as finding the total before the change happens in the story.