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 ...
It doesn't happen that often, but we've all been in a situation where we need to measure something and don't have a ruler. Luckily, you probably already have a "good enough" ruler in your pocket: a ...
Sometimes when cooking you might not want to pull out the measuring cups or spoons. In those cases, use what you have in reach (or, well, on you): your hands and familiar utensils. As a bonus, knowing ...
The Shanghai Women’s Health Study (SWHS) is a prospective, population-based cohort that was enrolled from 1997 to 2000 and has been previously described. 18 The cohort includes 74,941 women aged 40–70 ...
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