22

#mathematics #1-4 The students try to explain what addition, subtraction, odd and even numbers are,

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?

Made with ❤️ from Norway