Section 1 Using Part-Whole in Addition and Subtraction

• Put Together/Take Apart: Total Unknown: Show It

Section 2 Adding and Taking Away Sets

• Add To: Start Unknown: Show It 

Section 2 Adding and Taking Away Sets

• Put Together/Take Apart: Addend Unknown: Show It 

Section 2 Adding and Taking Away Sets

• Add To: Start Unknown: Challenge 

Section 2 Adding and Taking Away Sets

• Take From: Start Unknown: Challenge 

Section 2 Adding and Taking Away Sets 

• Add To Result Unknown: Challenge 

Section 2 Adding and Taking Away Sets

• Add To: Change Unknown: Show It 

Section 2 Adding and Taking Away Sets

• Take From: Result Unknown: Show It 

Section 2 Adding and Taking Away Sets

• Take From: Change Unknown: Show It 

Section 2 Adding and Taking Away Sets

• Take From: Start Unknown: Show It

Use the following educator videos to enhance instruction:

• Bar Models
• Word Problems: Bar Models: Part-Whole
• Bar Models: Part-Whole Understanding

Available Resources:

Free Resources:

• Bar Model Posters

School Trip Performance Task

Shopping Trip Performance Task

The Problem Solving Handbook: Addition and Subtraction