Measure with centimeter cubes to find the length of reptiles. Add & subtract within 100. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy.

National Weather Service snow board and snow measuring stick. ... (29 cm) and 10.8 inches (27 cm) would get the officially correct snowfall measurement of 42.1 inches (107 cm). ...

Portable clock provides new ruler for measuring the Earth Portable optical clock so accurate it runs faster if lifted by a centimeter. Chris Lee – Apr 13, 2020 12:16 pm | 83 ...