empty number line

An unmarked number line that shows mental calculations.

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Example

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Download information sheets

• Adding and subtracting using an empty number line (PDF)
• Addition: jump strategy (another way to add) (PDF)
• Subtraction: jump strategy (another way to subtract) (PDF)

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Addition using the jump strategy

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Subtraction using an empty number line

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Related words

• number line
• jump strategy
• mental strategy