Math in Focus
Digital Draft
Lesson Overview
Lesson 1
Subtraction without regrouping
Students will be able to:
~ Use base-ten blocks to subtract numbers w/o regrouping.
~ Subtract from 3 digit numbers w/o regrouping.
~ Apply the inverse operations of addition and subtraction.
~ Solve real-world subtraction problems.
Students will apply relationships and properties of number. Use efficient, accurate, and generalizable methods to add and subtract multi-digit whole numbers.
Lesson 2
Subtraction with regrouping in the Ones & Tens
Students will be able to:
~ Use base-ten blocks to subtract numbers with regrouping.
~ Subtract from 3 digit numbers with regrouping.
~ Apply the inverse operations of addition and subtraction.
~ Solve real-world subtraction problems.
Students will learn to add and subtract to solve a variety of problems. They will compose and decompose multi-digit numbers. They will also apply understanding of models of addition and subtraction.
Chapter Background
Incorporating technology into this unit will include iPads and the SmartBoard during stations. Students will engage in both independent and teacher led stations that incorporate the use of technology to enhance understanding and mathematical development.