# Adding 2 or more numbers mentally

In this lesson we will introduce the term 'consecutive numbers'. We will identify patterns when adding 2 or more consecutive numbers.

#### 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.I buy three souvenirs for £2.90, £3.60 and £4.10. How much did I spend in total?

1/5

Q2.A lemonade costs £2.25. I buy 2 for me and my friend and I pay with a £10 note. How much change do I receive?

2/5

Q3.I buy a meal deal and a tub of cream from the shops. I pay with a £10 note and receive £4.75 in change. How much did I spend on the meal deal and the tub of cream

3/5

Q4.A child's cinema ticket costs £4.60 and an adult cinema ticket costs £8.55. If I spent a total of £26.30, which tickets did I purchase?

4/5

Q5.A child's cinema ticket costs £4.60 and an adult cinema ticket costs £8.55. If I received £27.65 from a £50 note, which tickets did I purchase?

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.I buy three souvenirs for £2.90, £3.60 and £4.10. How much did I spend in total?

1/5

Q2.A lemonade costs £2.25. I buy 2 for me and my friend and I pay with a £10 note. How much change do I receive?

2/5

Q3.I buy a meal deal and a tub of cream from the shops. I pay with a £10 note and receive £4.75 in change. How much did I spend on the meal deal and the tub of cream

3/5

Q4.A child's cinema ticket costs £4.60 and an adult cinema ticket costs £8.55. If I spent a total of £26.30, which tickets did I purchase?

4/5

Q5.A child's cinema ticket costs £4.60 and an adult cinema ticket costs £8.55. If I received £27.65 from a £50 note, which tickets did I purchase?

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:

# Adding 2 or more numbers mentally

Quiz about the sum of consecutive numbers.

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:

# Adding 2 or more numbers mentally

Quiz about the sum of consecutive numbers.

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

# Lesson summary: Adding 2 or more numbers mentally

## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Dance