In this lesson, we will review a range of strategies to solve addition 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.There are 2271 satellites currently in space. What is this number rounded to the nearest 10?

1/6

Q2.There are 2271 satellites currently in space. What is this number rounded to the nearest 100?

2/6

Q3.The moon Ganymede takes 172 hours to orbit Jupiter. What is this number rounded to the nearest 10?

3/6

Q4.The moon Ganymede takes 172 hours to orbit Jupiter. What is this number rounded to the nearest 100?

4/6

Q5.When rounded to the nearest 10, it takes Mars approximately 690 days to orbit the Sun. What is the greatest number of days it can take?

5/6

Q6.When rounded to the nearest 10, it takes Mars approximately 690 days to orbit the Sun. What is the least number of days/

6/6

#### 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.There are 2271 satellites currently in space. What is this number rounded to the nearest 10?

1/6

Q2.There are 2271 satellites currently in space. What is this number rounded to the nearest 100?

2/6

Q3.The moon Ganymede takes 172 hours to orbit Jupiter. What is this number rounded to the nearest 10?

3/6

Q4.The moon Ganymede takes 172 hours to orbit Jupiter. What is this number rounded to the nearest 100?

4/6

Q5.When rounded to the nearest 10, it takes Mars approximately 690 days to orbit the Sun. What is the greatest number of days it can take?

5/6

Q6.When rounded to the nearest 10, it takes Mars approximately 690 days to orbit the Sun. What is the least number of days/

6/6

# 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:

Good luck in the quiz!

Q1.Solve the addition: 12,716 + 74,852 =?

1/6

Q2.Solve this addition: 4306 + 5704 =?

2/6

Q3.Solve this addition: 9890 + 11,050 =?

3/6

Q4.Solve this addition: 17,498 + 11, 076 =?

4/6

Q5.Solve this addition: 12,390 + 17,612 =?

5/6

Q6.Solve this addition: 52,805 + 9695 =?

6/6

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

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

Good luck in the quiz!

Q1.Solve the addition: 12,716 + 74,852 =?

1/6

Q2.Solve this addition: 4306 + 5704 =?

2/6

Q3.Solve this addition: 9890 + 11,050 =?

3/6

Q4.Solve this addition: 17,498 + 11, 076 =?

4/6

Q5.Solve this addition: 12,390 + 17,612 =?

5/6

Q6.Solve this addition: 52,805 + 9695 =?

6/6

# Lesson summary: Strategies for addition

## 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