Join Mrs. McCartney for an addition number talk with D.C.! Get your hopping skills ready so you can see our Math Might friend Springling to hop forward or back on the numberline to subtract.

Count up/down on a number line. Explore a subtraction strategy. Engage in a Number Talk. Count up or down on an open number line. Explore a subtraction strategy and see if it helps you to subtract.

Three. You're amazing. For this lesson, our learning intention is to solve subtraction problems using a number line and the counting back strategy. When we are subtracting it means you are getting ...