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, ...

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Learning mathematics is much more than memorization. Rote drill and practice have not shown to lead to significant improvements in mathematics abilities, but rather, using strategies that engage and ...

When you estimate a number you decide approximately, or roughly, how big that number is. To estimate accurately, you need to have a good understanding of the value and order of numbers. A number line ...