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📐 Mathematics - Class 7
Lesson 13 · Integers

Integers

MathematicsSubject
13 minEstimated read
Activity 13.1

Build a human number line and walk the calculations

What you needChalk or cards numbered from minus 10 to 10, laid in a straight line with zero in the middle.
The two rulesAlways FACE the positive direction. Adding means walking forwards, subtracting means walking backwards without turning.
MethodOne student walks the calculation while the class calls the moves. Do all four cases.
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