go up the number line (move to the right). When subtracting a positive number, go down the number line (move to the left). Start at \(3\) and go down \(10\). The answer is \(- 7\).

A number line is a pictorial representation ... You can have them subtract one roll from the next and use the number sequences to measure probability. Also, if you take a close look at a standard ...

Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates ...

To find the missing part, you need to subtract one of the parts from ... You could also use a number line to count on. Count on from 8 to 10, which is 2. Then count on from 10 to 15, which is ...