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 ...
Ruler 6 Inch: plastic ruler is 15 (L) x 3.0 (W) cm and 0.3cm in thickness; measurement range is 6 inches / 15cm; package includes 2PCS 6in ruler Ruler with Centimeters and Inches: plastic ruler prints ...
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