Rounding to three decimal places

12 questions

1. What is a conjecture?
2. Select the numbers that round to 23 000 when rounded to the nearest thousand.
3. 134 578 is 135 000 to the nearest ...
4. Laura estimates how many cars are in a car park. Which of the following is the most appropriate degree of accuracy in this situation?
5. A charity is sending thank you cards to 110 people who have made donations. Stamps come in books of 12. How many books of stamps do they need to buy?
6. Izzy buys a large bag of 50 chocolate bars. She puts them into boxes of 4 to sell for charity. How many boxes will Izzy have to sell?
7. 1.643 is 1.6 to one ___ place.
8. The midpoint of 2.2 and 2.3 is ___.
9. The midpoint of 2.268 and 2.269 is ___.
10. Round 14.5682 to 3 decimal places.
11. Round 0.0459 to three decimal places.
12. Round 172.0998 to three decimal places.

License: OGL