Rounding 9/12
22
#mathematics #1-4 The students try to explain what addition, subtraction, odd and even numbers are,
Ndavenport
Updated 3 months ago
1. Slide
60 seconds
rounding
Rounding: A way to quickly approximate a number by finding the nearest 'friendly' number, such as the nearest multiple of 10.
Place Value: The value of each place in a number, such as ones, tens, hundreds, etc.
Estimation: A way to make a good guess about a number or amount.
2. Open question
300 seconds
What is the difference between an estimate and an exact number?
3. Personalised Feedback
360 seconds
If you have 23 apples and you want to round it to the nearest ten, how many apples would you have?
4. Open question
300 seconds
How did you decide which way to round the number?
5. Open question
300 seconds
What strategies did you use to help you round the number?
6. Open question
300 seconds
What are the different ways to round numbers?
7. Personalised Feedback
360 seconds
If you have 37 marbles and you want to round it to the nearest ten, how many marbles would you have?
8. Open question
300 seconds
How do you know when it is appropriate to use rounding?
9. Word cloud
120 seconds
What do we do when we round a number?
10. Personalised Feedback
360 seconds
If you have 37 apples and you want to round it to the nearest ten, how many apples would you have?
11. Open question
300 seconds
How do you determine which way to round a number?
12. Personalised Feedback
360 seconds
If you have 39 apples and you want to round it to the nearest ten, how many apples would you have?
13. Word cloud
120 seconds
How do you round a number to the nearest ten?
14. Poll
60 seconds
If the number is 5 or higher,
- Always round up
- Always round down
- Round to the nearest whole number
15. Open question
210 seconds
What are some real-life situations where we need to use addition?
16. Open question
210 seconds
What is subtraction?
17. Open question
210 seconds
What are some real-life situations where we need to use subtraction?
18. Word cloud
120 seconds
In a few words, what is an estimate?
19. Poll
60 seconds
What type of estimation do you think is most important for 3rd graders to learn?
- Estimating time
- Estimating distance
- Estimating money
- Estimating size
20. Slide
60 seconds
Understanding Estimates
An estimate is an educated guess of how long or how much something will take or cost. Estimates help us plan ahead and make sure we can accomplish our goals. It's important to remember that estimates can change as we learn more.
21. Poll
60 seconds
What is your estimate of how long it will take to finish a 1000-piece jigsaw puzzle?
- Less than 1 hour
- 1-4 hours
- 4-8 hours
- More than 8 hours
22. Open question
300 seconds
What is an estimate? What is the purpose of an estimate?
23. Open question
300 seconds
What strategies do you use to make an estimate?
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