When it’s not necessary to give an exact value, numbers can be rounded. Rounding means making a number simpler but keeping its value close to what it is. When rounding numbers the result is less ...
Robert Breunig receives funding from the Australian Research Council, the Australian Treasury and the Australian Taxation Office. Australia’s tax system is needlessly complex, and that’s making it ...
Use place value cards to practice rounding numbers to the nearest ten and hundred. Warm up with a Mystery Math Mistake to hunt for the mistake made counting up on the number line. Use place value ...
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