Addition & subtraction strategies to solve two-digit equations using an open number line.

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.

Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates how zero is used in addition and subtraction, showing that adding or ...

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 ...