# Calculating across zero

In this lesson, we will be adding and taking away consecutive numbers and spotting patterns in answers.

#### 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!

Q1.2 consecutive numbers have a sum of 31. What are the 2 numbers?

1/5

Q2.Which of the below is correct?

2/5

Q3.3 consecutive numbers have a product of 6. What are the 3 numbers?

3/5

Q4.The sum of 4 consecutive numbers is equal to 26. What are they?

4/5

Q5.Which consecutive numbers below do not have the same sum as the others?

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!

Q1.2 consecutive numbers have a sum of 31. What are the 2 numbers?

1/5

Q2.Which of the below is correct?

2/5

Q3.3 consecutive numbers have a product of 6. What are the 3 numbers?

3/5

Q4.The sum of 4 consecutive numbers is equal to 26. What are they?

4/5

Q5.Which consecutive numbers below do not have the same sum as the others?

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:

# Calculating across zero

Q1.What is the answer to -1 + 2 + 3?

1/5

Q2.What is the answer to 11 + 12 - 13?

2/5

Q3.What is the answer to the calculation 96 + 97 - 98?

3/5

Q4.What is the answer to 87 - 88 + 89

4/5

Q5.Which of the calculations below have a sum of 61?

5/5

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

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

# Calculating across zero

Q1.What is the answer to -1 + 2 + 3?

1/5

Q2.What is the answer to 11 + 12 - 13?

2/5

Q3.What is the answer to the calculation 96 + 97 - 98?

3/5

Q4.What is the answer to 87 - 88 + 89

4/5

Q5.Which of the calculations below have a sum of 61?

5/5

# Lesson summary: Calculating across zero

## 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