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 ...
Map scales close map scaleThe ratio of the length of a feature on a map to the same length in real life. are often written as a ratio, eg 1 : 250,000. They can also be written using measurements, eg 2 ...
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