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 ...

Our world is ordered with rigid measurements - but alongside them are much more human ways to scale such things as the ferocity of storms and the strength of chilis. How much spicier is a Scotch ...

Measure the length of objects & sides of shapes in inches. Compare centimeters and inches. Warm up with a Mystery Math Mistake to add 2 two-digit numbers. Measure the length of objects and sides of ...

From building with blocks to sorting snacks, playful math experiences in early childhood spark curiosity and lay the foundation for future learning. Research shows that intentional, hands-on ...