Calculator answers: money and time
The Maths Habit
A calculator says a film lasts 1.75 hours. Is that 1 hour 75 minutes?
No: 1 hour 45 minutes
How many minutes?
0.5 of an hour
300.25 of an hour
150.75 of an hour
450.1 of an hour
6
Write as money
Write as money
One hour is cut into 10 equal parts.
0.1 of an hour = 60 ÷ 10 = 6 minutes
A trip takes 1.3 hours.
0.3 of an hour = 3 × 6 = 18 minutes
1.3 hours = 1 h 18 min
The quick way: decimal part × 60.
0.3 × 60 = 18 minutes
A calculator shows 8.3 for an answer in pounds. Write it as money.
A calculator shows 3.6 for a time in hours. Write it in hours and minutes.
A calculator shows 8.3 for an answer in pounds. Write it as money.
A calculator shows 1.8 for a time in hours. Write it in hours and minutes.
A calculator shows 8.3 for an answer in pounds. Write it as money.
A calculator shows 2.7 for a time in hours. Write it in hours and minutes.
A calculator shows 8.3 for an answer in pounds. Write it as money.
A calculator shows 26.4 for an answer in pounds. Write it as money.
A calculator shows 8.3 for an answer in pounds. Write it as money.
A calculator shows 1.45 for a time in hours. Write it in hours and minutes.
Answer sheet
7 friends share £50 and each takes £7.14. How much is left over?
2pA calculator shows 2.4 for a time in hours. Ben writes 2 hours 40 minutes. What should it be?
2 h 24 minA bike ride takes 4 hours 21 minutes. Write this time in hours, as a decimal.
21 ÷ 60 = 0.35, so 4.35
A calculator shows 12.7 for an answer in pounds. Write it as money.
£12.70A calculator shows 2.35 for a time in hours. Write it in hours and minutes.
2 h 21 minWrite 3 hours 12 minutes in hours, as a decimal.
3.2 hours