Word problems without equations: 13 arithmetic methods and 36 worked problems
A toolkit for primary school: 13 strategies, 36 word problems, concrete examples and step-by-step solutions to reveal only after trying for yourself.
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Arithmetic
GCD and LCM: faster alternative methods
The Euclidean algorithm, the product/GCD formula, and step-by-step GCD and LCM calculations for three numbers.
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