Rounding from a calculator: Approximating

In this lesson, we will learn about approximation and how to use that to approximate answers to calculations.

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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.What is 234.8 to the nearest integer?

1/5

Q2.Round 152.8 to the nearest 10

2/5

Q3.Round 9.064 to 2 decimal places

3/5

Q4.Round 18.961 to 1 decimal place

4/5

Q5.Round 7846.7 to the nearest 100

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.What is 234.8 to the nearest integer?

1/5

Q2.Round 152.8 to the nearest 10

2/5

Q3.Round 9.064 to 2 decimal places

3/5

Q4.Round 18.961 to 1 decimal place

4/5

Q5.Round 7846.7 to the nearest 100

5/5

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

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

Approximation Quiz

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

Q1.What does this symbol mean? ≈

1/6

Q2.Find an approximation for:

2/6

Q3.A student is thinking of an approximate value for √(67 ). What should her answer be?

3/6

Q4.Find an approximation for:

4/6

Q5.Find an approximation for:

5/6

Q6.Why is the approximation to this calculation greater than the actual answer?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

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

Approximation Quiz

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

Q1.What does this symbol mean? ≈

1/6

Q2.Find an approximation for:

2/6

Q3.A student is thinking of an approximate value for √(67 ). What should her answer be?

3/6

Q4.Find an approximation for:

4/6

Q5.Find an approximation for:

5/6

Q6.Why is the approximation to this calculation greater than the actual answer?

6/6

Lesson summary: Rounding from a calculator: Approximating

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