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The Vim command line text editor includes a powerful copy and paste function. Instead of using your mouse to highlight a certain number of lines and copy them, you use a keyboard shortcut to indicate ...

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, ...

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 ...