Rounding to estimate

In this lesson, we will apply our understanding of rounding to the nearest multiples of 10 000 and 1000 to estimate the answer to addition equations.

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.

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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.Which equation demonstrates how the number 346 000 can be partitioned?

1/5

Q2.Use partitioning to solve the equation: 723 000 + 15 000 =

2/5

Q3.Use partitioning to solve the equation: 456 000 - 132 000 =

3/5

Q4.Use partitioning to solve the equation: 158 000 + 26 000 =

4/5

Q5.Use partitioning to solve the equation: 738 000 - 156 000 =

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.Which equation demonstrates how the number 346 000 can be partitioned?

1/5

Q2.Use partitioning to solve the equation: 723 000 + 15 000 =

2/5

Q3.Use partitioning to solve the equation: 456 000 - 132 000 =

3/5

Q4.Use partitioning to solve the equation: 158 000 + 26 000 =

4/5

Q5.Use partitioning to solve the equation: 738 000 - 156 000 =

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:

Rounding to estimate

Quiz to be completed following lesson on: 'Rounding to estimate'.

Q1.What does 'rounding to estimate' mean?

1/5

Q2.Round '456 244' to the nearest multiple of 10 000.

2/5

Q3.Using rounding to the nearest multiple of 10 000 to estimate the answer to: 341 782 + 456 913 =

3/5

Q4.Use rounding to the nearest multiple of 1000 to estimate the answer to: 187 221 + 243 891 =

4/5

Q5.What is one of the problems associated with rounding to estimate?

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:

Rounding to estimate

Quiz to be completed following lesson on: 'Rounding to estimate'.

Q1.What does 'rounding to estimate' mean?

1/5

Q2.Round '456 244' to the nearest multiple of 10 000.

2/5

Q3.Using rounding to the nearest multiple of 10 000 to estimate the answer to: 341 782 + 456 913 =

3/5

Q4.Use rounding to the nearest multiple of 1000 to estimate the answer to: 187 221 + 243 891 =

4/5

Q5.What is one of the problems associated with rounding to estimate?

5/5

Lesson summary: Rounding to estimate

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