Rounding to the Nearest Ten — Let's Practise!
- Understanding Rounding to the Nearest Ten – Introduction
- What Is Rounding to the Nearest Ten?
- Solving Rounding Problems to the Nearest Ten – Examples
- Understanding Rounding to the Nearest Ten – Guided Practice
- Using Rounding to the Nearest Ten – Application
- Solving Rounding Problems to the Nearest Ten – Summary
- Solving Rounding Problems to the Nearest Ten – Frequently Asked Questions
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Basics on the topic Rounding to the Nearest Ten — Let's Practise!
Understanding Rounding to the Nearest Ten – Introduction
We're diving into the world of rounding to the nearest ten. This skill helps us simplify numbers and make quick estimates. Get ready because today, we're going to practise this together!
What Is Rounding to the Nearest Ten?
Rounding to the nearest ten involves looking at the ones place to determine whether to round the number up or down to the nearest ten. This method helps us quickly estimate numbers.
Here are the steps to tackle rounding to the nearest ten:
| Step # | Action |
|---|---|
| 1 | Identify the number to be rounded. |
| 2 | Look at the digit in the ones place. |
| 3 | If the digit is 5 or higher, round up. |
| 4 | If the digit is 4 or lower, round down. |
| 5 | Replace the ones place with zero. |
Let's practise understanding this method with a few examples.
Solving Rounding Problems to the Nearest Ten – Examples
Example 1:
Problem: Round 94 to the nearest ten.
Steps to Solve the Problem:
| Step # | Action | Description |
|---|---|---|
| 1 | Identify the number to be rounded. | 94 |
| 2 | Look at the digit in the ones place. | 4 |
| 3 | Determine if it rounds up or down. | 4 is less than 5, so round down. |
| 4 | Replace the ones place with zero. | 90 |
Solution: 94 rounded to the nearest ten is 90.
Example 2:
Problem: Round 36 to the nearest ten.
Steps to Solve the Problem:
| Step # | Action | Description |
|---|---|---|
| 1 | Identify the number to be rounded. | 36 |
| 2 | Look at the digit in the ones place. | 6 |
| 3 | Determine if it rounds up or down. | 6 is 5 or higher, so round up. |
| 4 | Replace the ones place with zero. | 40 |
Solution: 36 rounded to the nearest ten is 40.
Understanding Rounding to the Nearest Ten – Guided Practice
Take a look at these numbers: Round 165 to the nearest ten.
In number sentence form: 165 rounded to the nearest ten is 170
Using Rounding to the Nearest Ten – Application
Now it's your turn. Solve these problems on your own.
Round 921 to the nearest ten.
In number sentence form: 921 rounded to the nearest ten is 920
Solving Rounding Problems to the Nearest Ten – Summary
Key Learnings from this Text:
- Solving problems by rounding to the nearest ten can be achieved by following these steps:
| Step # | Action |
|---|---|
| 1 | Identify the number to be rounded. |
| 2 | Look at the digit in the ones place. |
| 3 | If the digit is 5 or higher, round up. |
| 4 | If the digit is 4 or lower, round down. |
| 5 | Replace the ones place with zero. |
- Mastering the skill of rounding to the nearest ten is an important foundational maths skill.
Keep practising these steps, and you'll become a pro at rounding numbers to the nearest ten! Check out more fun maths challenges and exercises on our website to continue sharpening your skills.
Solving Rounding Problems to the Nearest Ten – Frequently Asked Questions
Transcript Rounding to the Nearest Ten — Let's Practise!
Razzi says get these items ready because today we're going to practise rounding to the nearest ten. It's time to begin! Round ninety-four to the nearest ten. Pause the video to work on the problem and press play when you are ready to see the solution! Four is in the ones place, so round down. Ninety-four rounded to the nearest ten is ninety. Did you also get ninety? Let's tackle the next problem! Round thirty-six to the nearest ten. Pause the video to work on the problem and press play when you are ready to see the solution! Six is in the ones place, so round up. Thirty-six rounded to the nearest ten is forty. Did you also get forty? Here is the next number! Round one hundred and sixty-five to the nearest ten. Pause the video to work on the problem and press play when you are ready to see the solution! Five is in the ones place, so round up. One hundred and sixty-five rounded to the nearest ten is one hundred and seventy. Did you also get one hundred and seventy? Let's tackle the final problem! Round nine hundred and twenty-one to the nearest ten. Pause the video to work on the problem and press play when you are ready to see the solution! One is in the ones place, so round down. Nine hundred and twenty-one to the nearest ten is nine hundred and twenty. Did you also get nine hundred and twenty? Razzi had so much fun practising with you today! See you next time!
Rounding to the Nearest Ten — Let's Practise! exercise
-
Round two digit numbers to the nearest 10.
HintsRemember, when rounding to the nearest ten, look at the ones.
If the ones digit is 0, 1, 2, 3 or 4 - round down.
If the ones digit is 5, 6, 7, 8 or 9 - round up.
With the number 27, there is a 7 in the ones column. What do we do when the ones are 5, 6, 7, 8 or 9?
SolutionHere are the numbers rounded to the nearest 10.
- 49 = 50
- 35 = 40
- 23 = 20
- 54 = 50
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More rounding to 10.
HintsRemember, when rounding to the nearest ten, look at the ones.
If the ones digit is 0, 1, 2, 3 or 4 - round down.
If the ones digit is 5, 6, 7, 8 or 9 - round up.
In this number, there is a 4 in the ones column. When we round this to the nearest ten, will we round up or down?
SolutionThe numbers rounded to the nearest 10 are:
- 44 = 40
- 29 = 30
- 164 = 160
- 145 = 150
-
Find the nearest 10.
HintsLook at the digit in the ones column.
If this is 0, 1, 2, 3 or 4 - round down.
If this is 5, 6, 7, 8 or 9 - round up.
Here is the number 45. In the ones column there is a 5. Would we round up or down?
SolutionThe numbers rounded to the nearest 10 are:
- 75 = 80
- 93 = 90
- 62 = 60
- 15 = 20
-
Round the numbers.
HintsLook at the digit in the ones column.
If this is 0, 1, 2, 3 or 4 - round down.
If this is 5, 6, 7, 8 or 9 - round up.
In this number, what digit is in the ones column?
Try writing the number onto a place value chart to check which digit is in the ones column.
SolutionWhen each number is rounded to the nearest 10:
- 82 = 80
- 153 = 150
- 284 = 280
- 185 = 190
- 573 = 570
-
Round to the nearest 10.
HintsLook at the digit in the ones column.
If this is 0, 1, 2, 3 or 4 - round down.
If this is 5, 6, 7, 8 or 9 - round up.
In this number, the ones column has the number 4, so we round down to 50.
SolutionThese numbers rounded to the nearest 10 are:
- 24 = 20
- 56 = 60
- 28 = 30
- 132 = 130
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Solve the problems by rounding.
HintsTry looking at the numbers smaller than 460. How small can you go before the number would have to round down to 450 rather than up to 460?
Look at the ones in the number: 454. Would this number round up to 460 or round down to 450?
SolutionWhen rounding a number to the nearest 10 and reaching 460, the smallest possible number is 455 and the largest posssible number is 464.
Rounding (Tens)
Rounding to the Nearest Ten — Let's Practise!
Rounding Numbers to the Nearest Hundred
Rounding to the Nearest Hundred — Let's Practise!
Rounding using a number line (tens)
Rounding Multi-Digit Numbers
Rounding Multi-Digit Numbers on a Number Line
Rounding Multi-Digit Numbers — Let's Practicse!
Estimating Sums and Differences — Let's Practise!
Rounding Decimals
