The pupillary distance (PD) measurement is a requirement for people who want to purchase eyeglasses. Here, find out how to measure your PD using a mirror and a ruler. Share on Pinterest Some eyewear ...
Measure length using a ruler marked with halves and quarters of an inch with Ms. Askew. Join Ms. Askew for a fun Fraction Number Talk. We'll measure length using a ruler marked with halves and ...
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 ...
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