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The origin of the mental number line may be biological, not cultural, according to a new study
A new study has found that a chick’s ability to mentally organize numbers along a line from left to right is not learned but ...
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 ...
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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