# Representing one-step word problems

In this lesson, we will use bar models to represent addition and subtraction in one-step word problems.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which column will regrouping occur in in the following equation: 4586 + 4812 = ...

1/5

Q2.Will regrouping happen in the following equation: 5592 + 3564 = ....

2/5

Q3.Has Mrs Crane calculated the following equation correctly?

3/5

Q4.Has Mrs Crane solved the following equation correctly?

4/5

Q5.Has Mrs Crane solved the following equation correctly?

5/5

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which column will regrouping occur in in the following equation: 4586 + 4812 = ...

1/5

Q2.Will regrouping happen in the following equation: 5592 + 3564 = ....

2/5

Q3.Has Mrs Crane calculated the following equation correctly?

3/5

Q4.Has Mrs Crane solved the following equation correctly?

4/5

Q5.Has Mrs Crane solved the following equation correctly?

5/5

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Representing one-step word problems

Using what we have learnt today, can you answer the following questions?

Q1.Which is the correct inverse equation for the following equation: 3562 + 3752 = 7314

1/5

Q2.Which is the correct inverse equation for the following equation: 7659 - 3572 = 4085

2/5

Q3.What is known in the following bar model?

3/5

Q4.What is known in the following bar model?

4/5

Q5.Which of the following equations represents the following bar model?

5/5

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Representing one-step word problems

Using what we have learnt today, can you answer the following questions?

Q1.Which is the correct inverse equation for the following equation: 3562 + 3752 = 7314

1/5

Q2.Which is the correct inverse equation for the following equation: 7659 - 3572 = 4085

2/5

Q3.What is known in the following bar model?

3/5

Q4.What is known in the following bar model?

4/5

Q5.Which of the following equations represents the following bar model?

5/5

# Lesson summary: Representing one-step word problems

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga