Grade 2 · Math · Unit 13 of 14
How Long?
Seconds, minutes and hours
What your child practises
Choosing seconds, minutes or hours for different events, comparing units of time and knowing how they connect.
Ontario Curriculum expectation: E2.4 · units of time to describe how long things take
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Which is longer: a minute or a second?
- a second
- a minute
Show answer
a minute
Hint: There are 60 seconds in a minute and 60 minutes in an hour.
Question 2
Which unit is best to measure how long it takes to brush your teeth?
- seconds
- hours
- minutes
Show answer
minutes
Hint: Seconds are very short. Minutes are longer. Hours are longest.
Question 3
Song A takes 14 claps of time. Song B takes 19 claps. Which song is shorter?
👏- Song B
- Song A
Show answer
Song A
Hint: Fewer claps of time means less time.
Question 4
Which unit is best to measure how long it takes to watch a movie?
- seconds
- hours
- minutes
Show answer
hours
Hint: Seconds are very short. Minutes are longer. Hours are longest.
Question 5
How many seconds are in one minute?
- 63
- 64
- 60
Show answer
60
Hint: One minute is 60 seconds.
Question 6
Which is longer: a minute or an hour?
- a minute
- an hour
Show answer
an hour
Hint: There are 60 seconds in a minute and 60 minutes in an hour.