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 ...
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Number lines are a great way to compare numbers. They also help you to order numbers, understand place value and estimate where a number is. Watch this video to find out more. This number line shows ...
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 ...
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