3rd Grade Multi-step Mixed Operation Word Problems with Bar Models Math Lesson

Teach 3rd Grade Word Problems Using Bar Models (Multi-Step Mixed Operation Word Problems) Help your Grade 3 students confidently solve word problems with addition, subtraction, multiplication, and division using a clear, repeatable bar model problem-solving routine.

This no-prep bar model lesson and worksheet pack teaches students how to:

Read and understand the problem
Choose the correct operation
Represent the situation visually with a bar model
Solve and explain their thinking using equations

Based on the Singapore Math bar model method, this resource makes abstract word problems concrete and manageable for visual learners.

What’s Included

Teaching Slides (Google Slides + PDF)
Step-by-step instruction modeling the full routine:
Read, Choose a Bar Model, Solve, Check

Worked Examples for All Four Operations
Includes:

Addition & Subtraction
Multiplication and division
Part-whole and comparison bar models
Multi-step word problems

Printable Practice Worksheets
Perfect for:

Whole-class mini lessons
Small group instruction
Math centers
Intervention and independent practice

Complete Answer Key
Includes finished bar models and number equations for easy checking.

Skills & Concepts Covered

Addition and subtraction within 1,000
Multiplication and division word problems
Choosing the correct operation
Solving multi-step and comparison word problems
Explaining strategies using visual models
Aligned with Singapore Math problem-solving strategies

Give your students the visual problem-solving strategy they need to tackle word problems with confidence.

Download now and start teaching addition, subtraction, multiplication, and division word problems the visual way!