Worksheets and Whiteboard Resources for Elementary Math
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Interactive Whiteboard Activity

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Topic(s):

Location(s): YEAR 1, Addition and Subtraction - Calculations (1C2a)

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Objective: 1C2a: Add and subtract one-digit and two-digit numbers to 20, including zero
Description: Triangle Man explains a strategy for working out one more or one less of a given number using a tray of action figures. Just drag a figure out of the tray to find one less or drop a figure into the tray to find one more. Use the numberline when you become more confident.

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