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Curipod lesson about topic "Multiplying and Dividing by Decimals"

Updated 2 months ago

1. Word cloud

60 seconds

How are you feeling today?

2. Slide

60 seconds

Decimals are written in tenths, hundredths, and thousandths. To multiply decimals, line up the decimal points and multiply as if there were no decimals. To divide decimals, move the decimal point of the divisor to the right until it becomes a whole number.

Multiplying and Dividing by Decimals

3. Slide

60 seconds

Decimals: A number with one or more digits to the right of a decimal point. Multiplying Decimals: Multiplying two numbers with one or more digits to the right of a decimal point. Dividing Decimals: Dividing one number with one or more digits to the right of a decimal point by another number.

Concepts:

4. Word cloud

120 seconds

What strategy can we use to multiply 7.2 by 10?

5. Slide

120 seconds

Let's see how we can multiply 7.2 by 10 using two different strategies.

6. Poll

20 seconds

8.4 by 10

- 84.0
- 840.0
- 8400.0

7. Poll

20 seconds

2.1 by 100

- 2.1
- 21.0
- 210.0

8. Poll

20 seconds

5.7 by 1000

- 57.0
- 570.0
- 5700.0

9. Slide

120 seconds

You have 2 minutes to explain your strategy with a partner.

10. Poll

60 seconds

What strategy would you use to solve 521 times 1000?

- Standard Algorithm
- Use place value chart

11. Word cloud

120 seconds

What strategy can we use to divide 1.6 by 10?

12. Slide

120 seconds

Let's see how we can divide 1.6 by 10 using two different strategies.

13. Poll

20 seconds

9.2 divided by 10.

- 0.92
- 0.092
- 0.0092

14. Poll

20 seconds

3.8 divided by 100

- 0.38
- 0.038
- 0.0038

15. Poll

20 seconds

8.1 divided by 1000

- 0.81
- 0.081
- 0.0081

16. Poll

60 seconds

What strategy would you use to solve 283 divided by 1000?

- Standard Algorithm
- Write as a fraction
- Use place value chart

17. Slide

120 seconds

You have 2 minutes to explain your strategy with a partner.

18. Open question

180 seconds

How did you feel when trying to solve a problem that involved multiplying or dividing by decimals?

19. Open question

330 seconds

How did you know when you had the right answer when multiplying or dividing by decimals?

20. Drawings

420 seconds

Brain Break: Draw a donut with sprinkles dancing.

21. Slide

120 seconds

You have 6 minutes to complete the exit ticket on your own.

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