
Adding and Subtracting Doubles to 20
6th Grade · Math · 30 min
Lesson Preview
Learning Objective
I can add and subtract pairs of numbers to find doubles that total 20.
- 1
When you subtract, you end up with less than what you started with.
- 2
Four buttons minus two buttons is two buttons. 4 - 2 = 2.
- 3
Five guitars minus two guitars is three guitars. 5 - 2 = 3.


