Year 4 · Time

Units of time

Time units: 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day, 7 days in a week. The 24-hour clock counts past 12.

How to do it

1. Convert with × or ÷ 60, 24 or 7.
2. 24-hour time: afternoon hours add 12 (3 pm = 15:00). Mornings keep the hour with two digits.

Worked example

With a free account, these play as step-by-step animations.