Time units to a smaller unit

Difficulty Standard · Set ma3pnn

Fill in what you can and press Check. Nothing you type is sent anywhere.

1
How many hours are there in 14 days?
2
How many hours are there in 6 days?
3
How many months are there in 20 years?
4
How many seconds are there in 20 minutes?
5
How many minutes are there in 13 hours?
6
How many seconds are there in 15 minutes?
7
How many weeks are there in 20 years?
8
How many hours are there in 8 days?
9
How many minutes are there in 19 hours?
10
How many months are there in 3 years?
11
How many days are there in 8 weeks?
12
How many months are there in 11 years?
13
How many weeks are there in 11 years?
14
How many minutes are there in 13 hours?
15
How many months are there in 2 years?
16
How many hours are there in 15 days?
17
How many minutes are there in 12 hours?
18
How many weeks are there in 17 years?
19
How many hours are there in 19 days?
20
How many seconds are there in 19 minutes?

What is in this set

The numbers in this set run from 2 to 20.
Every problem in it will convert to a smaller unit.
A careful solution takes 1 written step on average.
The mistake this set invites most often, in 18% of the problems: time does not run in tens.
Answers are a whole number.

Drawing 240 problems from this page produced 96 different ones, 40% — so a sheet of 20 will come back to a problem you have seen — there are only so many sensible ones of this kind.

The same skill, harder or easier

We would put this in front of a grade 4 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.