Students go over using number lines to solve the four equations in a fact family. In this lesson, students go over using number lines to solve the four equations in a fact family. Julia uses charts, ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...

Hello, I’m Mr McPartlin, and together we are going to explore using a number line to 100 and to 1000. A number line is a line with marked intervals on it. Often there are numbers placed on the line.