# Choosing calculation strategies to solve calculations

In this lesson, we will use various strategies to solve calculations within 20

#### 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 equations match the part, whole models.

1/3

Q2.Are these equations balanced?

2/3

Q3.What could the missing numbers be?

3/3

#### 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 equations match the part, whole models.

1/3

Q2.Are these equations balanced?

2/3

Q3.What could the missing numbers be?

3/3

# 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:

# Choosing calculation strategies to solve calculations

Calculations within 20

Q1.Select the strategy which has solved this sum correctly.

1/3

Q2.Which tens frame is correct for this sum?

2/3

Q3.Which number line solves this sum?

3/3

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

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

# Choosing calculation strategies to solve calculations

Calculations within 20

Q1.Select the strategy which has solved this sum correctly.

1/3

Q2.Which tens frame is correct for this sum?

2/3

Q3.Which number line solves this sum?

3/3

# Lesson summary: Choosing calculation strategies to solve calculations

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Dance