Subtracting with Symbols

The video tutorial explains how to solve subtraction problems with unknowns using letters, often X, to represent these unknowns. It introduces various strategies, such as using a hundreds chart and rearranging equations, to find the value of the unknown. The tutorial demonstrates how to handle different positions of unknowns in subtraction sentences and compares methods to find the most effective strategy for solving these equations.

What does the letter X represent in a subtraction problem?

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How can you find the value of X using a hundreds chart?

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What is the process to determine the unknown amount when starting with a number and subtracting?

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Describe two different strategies to find the value of X in a subtraction sentence.

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Explain how to rearrange a subtraction equation to find the unknown number.

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