# Solving multi-step addition and subtraction problems

In this lesson, we will be applying the addition and subtraction strategies that we have learned to word and real life 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.Select the equation below that matches this maths story: '87 315 cars were sold over the weekend. 12 872 of these cars were new and the rest were secondhand. How many cars were secondhand?'

1/5

Q2.Describe the error that has been made in the following calculation: 213 876 - 114 689 = 328 565.

2/5

Q3.Write out the following column method calculation and describe the error that has occurred: 562 088 - 134 199 = 432 111.

3/5

Q4.Which of the following methods is NOT a sensible way of checking to see whether we have made an error using the column method?

4/5

Q5.What is the missing number in the following equation: 435 629 + _________ = 772 345

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.Select the equation below that matches this maths story: '87 315 cars were sold over the weekend. 12 872 of these cars were new and the rest were secondhand. How many cars were secondhand?'

1/5

Q2.Describe the error that has been made in the following calculation: 213 876 - 114 689 = 328 565.

2/5

Q3.Write out the following column method calculation and describe the error that has occurred: 562 088 - 134 199 = 432 111.

3/5

Q4.Which of the following methods is NOT a sensible way of checking to see whether we have made an error using the column method?

4/5

Q5.What is the missing number in the following equation: 435 629 + _________ = 772 345

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:

# Solving multi-step addition and subtraction problems

Quiz to be completed following lesson on 'Solving multi-step addition and subtraction problems.'

Q1.Use the column method to solve: 3167 + 2954 + 6319 =

1/5

Q2.Use the counting back method to solve: 10 000 - 5980 =

2/5

Q3.Use the counting on method to solve: 10 000 - 7630 =

3/5

Q4.I have a step count target of 20 000 steps a day. So far, I have walked 13 780 steps around the park and 4620 steps in my house. How many more steps do I have to reach my total?

4/5

Q5.Today, I walked 18 673 steps. How many steps over my target of 15 000 have I walked?

5/5

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

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

# Solving multi-step addition and subtraction problems

Quiz to be completed following lesson on 'Solving multi-step addition and subtraction problems.'

Q1.Use the column method to solve: 3167 + 2954 + 6319 =

1/5

Q2.Use the counting back method to solve: 10 000 - 5980 =

2/5

Q3.Use the counting on method to solve: 10 000 - 7630 =

3/5

Q4.I have a step count target of 20 000 steps a day. So far, I have walked 13 780 steps around the park and 4620 steps in my house. How many more steps do I have to reach my total?

4/5

Q5.Today, I walked 18 673 steps. How many steps over my target of 15 000 have I walked?

5/5

# Lesson summary: Solving multi-step addition and subtraction 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