Lesson: Subtracting Equal Groups Mathematics
In this lesson, we will learn how to use subtraction to find the number of equal groups when dividing.
There are 16 flip-flops.
How many pairs of flip-flops are there?
Benjamin is making houses out of sticks. Each house needs 5 sticks.
Mason has 20 oranges.
He is going to put them into bags of 5.
After he makes 2 bags of oranges, there are oranges left.
When there are no oranges left, he has made bags of 5.