Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...
Makers, developers and hobbyists may be interested in a new interactive binary ruler that has been created by Bradley Slattery. The 15 cm ruler is equipped with seven logic gates, 4 x flip-flops and a ...
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