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 ...

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. What do you ...

A Golden Rectangle has an area of 1,000 square centimeters. A right cone is to be formed from a single piece cut from the Golden Rectangle. Find the maximum possible volume for a cone formed as ...