Choose from the following levels:

1. Round numbers up to 100 to the nearest 10 (Y2)

2. Round numbers up to 1000 to the nearest 10 (Y3)

3. Round numbers up to 10,000 to the nearest 10, 100 or 1000 (Y4)

4. Round decimals with one decimal place to the nearest whole number (Y4)

5. Round decimals with two decimal places to the nearest whole number and to one decimal place (Y5)