Use different strategies to subtract including counting back and the connection between addition and subtraction. Use a number line to help count on to find a difference. Aired 12/07/2021 | Rating ...

Video – Adding and subtracting with negative numbers Watch the video to learn about adding and subtracting with negative numbers on a number line and by using number discs.

Watch the video to learn about adding and subtracting with negative numbers on a number line and by using number discs. Adding and subtracting with negative numbers. Let's talk about two ways to ...