1. Open question

120 seconds

What is a decimal? Show me some examples :)

2. Slide

60 seconds

Understand how to round and order decimals
Round and order decimals to two decimal places

Learning Intention:

3. Slide

60 seconds

Decimals are numbers that have a decimal point and digits after the decimal point. Ordering decimals means putting them in order from smallest to largest or largest to smallest. Rounding decimals means keeping the digits that are important and discarding the rest.

Ordering and Rounding Decimals

4. Slide

60 seconds

Ordering decimals: When ordering decimals, the numbers are arranged from greatest to least from left to right. Rounding decimals: Rounding involves changing a number to a simpler form by increasing or decreasing the number of significant digits. Place Value: In decimal numbers, each digit is multiplied by a power of 10 based on its position in the number.

Concepts:

5. Slide

60 seconds

The world record for the fastest time to order and round decimals is 7.29 seconds. The largest number of decimals that can be ordered and rounded in one minute is 6,000. The most decimals ever ordered and rounded in one sitting was 10,000 decimals in one hour.

Did you know?

6. Poll

60 seconds

Which of the following is the smallest decimal number?

- 0.1
- 0.001
- 1.0
- 10

7. Poll

60 seconds

Put these decimals in order from smallest to largest: 0.5, 0.25, 0.75.

- 0.5, 0.25, 0.75
- 0.75, 0.25, 0.5
- 0.25, 0.5, 0.75
- None of these.

8. Open question

120 seconds

Which decimal number comes next in the sequence?
1/4 = 0.25
1/2 = 0.50
3/4 = ?

9. Drawings

330 seconds

Draw a dolphin flying a kite with its flippers.

10. Slide

60 seconds

11. Open question

180 seconds

Which of the following numbers is the greatest when rounded to two decimal places? A. 0.34 B. 0.306 C. 0.323 D. 0.309

12. Open question

180 seconds

What is the correct way to round 8.72 to the nearest tenth?

13. Poll

60 seconds

What is 4.5678 rounded to the nearest hundredth?

- 4.56
- 4.57
- 4.568

14. Poll

60 seconds

What is 0.123456 rounded to the nearest thousandth?

- 0.123
- 0.124
- 0.1235

15. Poll

60 seconds

Which of the following is a correct way to round 6.7851 to tenths place?

- 6.8
- 6.7
- 6

16. Drawings

270 seconds

Brain break: Draw a monster with lollipops for teeth chasing an ice cream cone.

17. Open question

180 seconds

What is the rule for rounding a decimal that ends in a five?

18. Open question

180 seconds

Q: What is the rule for rounding a decimal to the nearest tenth?

Made with ❤️ from Norway