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Curipod generated lesson: "rounding decimal numbers". #5-7

Updated 5 months ago

1. Word cloud

120 seconds

How do you round a decimal number?

2. Slide

60 seconds

"Round decimals to a specified number of decimal places (ACMNA156). "

Learning objective:

3. Slide

60 seconds

Rounding decimal numbers involves finding the nearest whole number by looking at the digits to the right of the decimal point. Rounding can help make calculations easier, and it can also help simplify large numbers. When rounding, you should look at the digit to the right of the number you want to round. This is the one that will determine whether you round up or down.

Rounding Decimal Numbers

4. Slide

60 seconds

Nearest Whole Number: The number closest to the decimal number when rounded. Digits to the Right of the Decimal Point: The numbers to the right of the decimal point that will be used to determine what number the decimal number should be rounded to. Rounding Up or Down: The decision made by looking at the digit to the right of the number you want to round. If the digit is 5 or higher, you round up. If it is 4 or lower, you round down.

Concepts:

5. Slide

60 seconds

In mathematics, rounding is also called 'bankers rounding'. The term 'rounding' comes from a Latin word meaning 'to make round'. In Japan, they use a different system for rounding than other countries do - they round up or down depending on if the last digit is odd or even.

Fun facts:

6. Open question

660 seconds

Work together in pairs: What is the rule for rounding decimal numbers to the nearest tenth?

7. Open question

660 seconds

Work together in pairs: What is the result of rounding 3.79 to two decimal places?

8. Drawings

450 seconds

Brain break: Create a 3D sculpture out of paper that represents an emotion. Think about what shapes, colors, and textures would best represent the chosen emotion and create a sculpture that conveys it.

9. Poll

300 seconds

What is the rounded value of 3.456?

- 3.45
- 3.46
- 3.5
- 3.54

10. Poll

20 seconds

What is the rounded value of 6.149?

- 6.14
- 6.15
- 6.2
- 6.19

11. Poll

300 seconds

What is the rounded value of 9.778?

- 9.78
- 9.77
- 9.8
- 9.79

12. Word cloud

60 seconds

What is the rounded value of 2.983?

13. Open question

180 seconds

What is the rounded value of 7.921?

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