Finding the Balance
Young scholars explore the concept of subtraction using a pan balance. They find differences using actual and virtual pan balances, write out subtraction sentences and relate subtraction and addition equations.
K - 2nd Math 8 Views 17 Downloads
Grade 1 Supplement Set A3 - Number & Operations: Addition & Subtraction on the Number Line
Hop your way through a mathematical equation with your first grade class as they learn the idea of moving up and down the number line. Adding and subtracting like little frogs is an engaging and clever way to teach/reinforce this concept.
K - 2nd Math CCSS: Adaptable
Second Grade Adding and Subtracting
Reinforce addition and subtraction in your second grade class with a series of lessons that feature manipulatives, ten frames, spinners, and number lines. The unit is divided into three sections and includes concepts such as counting...
1st - 3rd Math CCSS: Designed