# Representing 2-digit numbers (Part 1)

In this lesson, we will represent how many tens and ones there are in numbers within 100 in different ways and then representing these numbers on a number line.

#### 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.

1/5

Q2.What multiple of ten do these Dienes represent?

2/5

Q3.Which part-whole model matches the Dienes representation below?

3/5

Q4.Here is a representation of the number 90. How many more tens are needed to make 100?

4/5

Q5.Here is a representation of the number 40. How many more tens are needed to make 100?

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.

1/5

Q2.What multiple of ten do these Dienes represent?

2/5

Q3.Which part-whole model matches the Dienes representation below?

3/5

Q4.Here is a representation of the number 90. How many more tens are needed to make 100?

4/5

Q5.Here is a representation of the number 40. How many more tens are needed to make 100?

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:

# Representing 2-digit numbers

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.What number do these strawberries represent?

1/5

Q2.Which bead string image represents the number line below?

2/5

Q3.Which bead string image represents the number line below?

3/5

Q4.The value of the digit 3 in my number is 3 ones. My number is less than 45. The digit in the tens place is one less than 5. What is my number?

4/5

Q5.The value of the digit 4 in my number is 4 tens. My number is less than 45. The digit in the ones place is one less than 2. What is my number?

5/5

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

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

# Representing 2-digit numbers

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.What number do these strawberries represent?

1/5

Q2.Which bead string image represents the number line below?

2/5

Q3.Which bead string image represents the number line below?

3/5

Q4.The value of the digit 3 in my number is 3 ones. My number is less than 45. The digit in the tens place is one less than 5. What is my number?

4/5

Q5.The value of the digit 4 in my number is 4 tens. My number is less than 45. The digit in the ones place is one less than 2. What is my number?

5/5

# Lesson summary: Representing 2-digit numbers (Part 1)

## Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance