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
Subtracting Numbers with Regrouping in the Hundreds Place or with Zero Difficulty
Learners solve subtraction problems. They discover how to subtract 2 and 3 digit numbers that need regrouping. They work in small groups on activities that focus on this skill. The lesson contains activity sheets, an assessment, and an...
What Subtraction Strategy Did You Use?
There's more than one way to subtract! After reviewing different subtraction strategies for two-digit numbers, including standard algorithm, think addition, compensation, and split/jump, kids decide which strategy makes the most sense...
2nd - 3rd Math CCSS: Designed