Chapter 4 - Addition with Regrouping

Take A Sneak Peek At Chapter Four

This chapter we will be focusing on...

Addition with Regrouping.

find a sum by breaking apart a 1-digit addend to make a 2-digit addend a multiple of 10

use compensation to develop flexible thinking for 2-digit addition

apply place-value concepts when using a break apart strategy for 2-digit addition

model 2-digit addition with regrouping

draw quick pictures and record 2-digit addition using the standard algorithm

record 2-digit addition using the standard algorithm

practice 2-digit addition with and without regrouping

rewrite horizontal addition problems vertically in the standard algorithm format

solve problems involving 2-digit addition using the strategy draw a diagram

represent addition situations with number sentences using a symbol for the unknown number

find sums of three 2-digit numbers

find sums of four 2-digit numbers

Check out examples of what we will learn in Chapter 4 below!

Lesson 4.1

Lesson 4.2