### BAR MODEL TOOL

Our Bar Model tool provides a dynamic platform for creating visual representations of mathematical problems.

Teachers can model their own word problems based in **Cognitively Guided Instruction **and **Singapore Math **to help build upon each student’s natural problem solving strategies.

Conceptua Math’s Bar Model tool addresses single and multi-step problems in addition, subtraction, multiplication, and division. It is also possible to divide a bar into fractional parts.

Fireflies – Multi-Step Addition Video

Anna and Raul caught fireflies one hot summer night.

Raul caught 5 fireflies. Anna caught 4 more fireflies

than Raul.

How many fireflies did they

catch together?

**Click the video to learn more about multi-step addition.**

Apples – Compare, Difference Unknown

Julie has 5 apples. Lucy has

3 apples.

How many more apples does

Lucy need to have the same amount as Julie?

**Click the video to learn more about comparison and unknown differences.**

Visitors at the Museum – Mixed Addition & Subtraction

There are 3670 visitors at a museum. There are 1565 men, 1005 women, and the rest are children.

How many children went to

the museum?

**Click the video to learn more about mixed addition and subtraction.**

Elvis’ & Presley’s Pennies – Mixed Multi-Step With 3 Operations

Jayden has 347 pennies. Elvis has 4 times as many as Jayden.

Presley has 799 fewer than Elvis. How many pennies does Presley have?

**Click the video to learn more about mixed multi-step with 3 operations.**

### Sample Problems

Our curriculum authors have crafted a selection of sample prompts to help you get started. You can use these as stand-alone problems, or as a starting point for your own story problems—simply copy and paste the text into the tool’s prompt field.

#### One-Step Problems:

- Lara enjoys reading. She has 8 mystery books, 14 fiction books, and 12 nonfiction books. How many books does Lara have?
- Jon has 24 baseball cards. Sam has 32 more baseball cards than Jon. How many baseball cards does Sam have?
- Emily has 41 beads. Hannah has 27 beads. How many more beads does Emily have than Hannah?
- Dora is 13 years old. She is 5 years older than Joe. How old is Joe?
- Sara and Greg each did jumping jacks. Greg did 8 jumping jacks. Sara did 4 times as many jumping jacks as Greg. How many jumping jacks did Sara do?

#### Multi-Step Problems:

- The school cafeteria ordered 145 red apples and 83 green apples. At the end of the day, there were 54 apples left. How many apples were sold?
- Kara’s goal is to read 345 pages of her book over a 3-day period. If she reads 142 pages on Monday and 115 pages on Tuesday, how many pages will she need to read on Wednesday to reach her goal?
- Jesse went shopping and found shirts for 7 dollars each and pants for 12 dollars each. He bought seven outfits. How much money did Jesse spend on the clothes?
- Joe raised 275 dollars for the school fundraiser. Mary raised 3 times as much as Joe, and that was 150 dollars more than Josie. What was the total amount raised?
- Ray has two kinds of coins. Two smaller coins and three larger coins have a value of 2 dollars. Two smaller coins and seven larger coins have a value of 4 dollars. What kinds of coins does Ray have?