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  1. Maths
  2. Year 7
  3. Using a Calculator
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Change Times Given in Decimals into Hours and Minutes

In this worksheet, students use a calculator to convert times given in decimals to times expressed in hours and minutes.

'Change Times Given in Decimals into Hours and Minutes' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Standard Units of Measure

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

Sometimes measurements, money and times are given in decimal format, which is not always very convenient or easy to understand.  


Sometimes, when using a calculator to find an answer, it is necessary to interpret your answer sensibly.

For example, if the answer is in money, then 4.7 means £4.70.


If the answer is in kilometers, then 12.09 means 12 km 90 m.

However, If the answer is in hours, the decimal part must be changed into minutes by multiplying it by 60.


Examples

8.15 hours is 8 hours and 0.15 hours


0.15 × 60 = 9 minutes

So 8.15 hours = 8 hours 9 minutes

 


5.24 hours is 5 hours and 0.24 hours


0.24 × 60 = 14.4 minutes.

So 5.24 hours is 5 hours 14.4 minutes
 

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

9.25 hours = 9  hours
 ?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes.  Write the missing number in the answer box below.

2.45 hours = 2  hours
?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes.  Write the missing number in the answer box below.

9.95 hours = 9  hours
?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

2.9 hours = 2  hours
 ?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

3.75 hours = 3  hours
 ?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes.  Write the missing number in the answer box below.

6.4 hours = 6  hours
?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

7.35 hours = 7  hours
 ?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

2.2 hours = 2  hours
 ?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

10.05 hours = 10  hours
?
 minutes

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

8.80 hours = 8  hours
 ?
 minutes
  • ANSWERS
  • Question 1

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

9.25 hours = 9  hours
 ?
 minutes
CORRECT ANSWER
15
EDDIE SAYS
0.25 x 60 = 15, so the answer is 9 hours and 15 minutes.
  • ANSWERS
  • Question 2

Use your calculator to change the following time given in decimals into a time given in hours and minutes.  Write the missing number in the answer box below.

2.45 hours = 2  hours
?
 minutes
CORRECT ANSWER
27
EDDIE SAYS
0.45 x 60 = 27
  • ANSWERS
  • Question 3

Use your calculator to change the following time given in decimals into a time given in hours and minutes.  Write the missing number in the answer box below.

9.95 hours = 9  hours
?
 minutes
CORRECT ANSWER
57
EDDIE SAYS
0.95 x 60 = 57
  • ANSWERS
  • Question 4

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

2.9 hours = 2  hours
 ?
 minutes
CORRECT ANSWER
54
EDDIE SAYS
0.9 x 60 = 54
  • ANSWERS
  • Question 5

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

3.75 hours = 3  hours
 ?
 minutes
CORRECT ANSWER
45
EDDIE SAYS
0.75 x 60 = 45
  • ANSWERS
  • Question 6

Use your calculator to change the following time given in decimals into a time given in hours and minutes.  Write the missing number in the answer box below.

6.4 hours = 6  hours
?
 minutes
CORRECT ANSWER
24
EDDIE SAYS
0.4 x 60 = 24
  • ANSWERS
  • Question 7

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

7.35 hours = 7  hours
 ?
 minutes
CORRECT ANSWER
21
EDDIE SAYS
0.35 x 60 = 21
  • ANSWERS
  • Question 8

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

2.2 hours = 2  hours
 ?
 minutes
CORRECT ANSWER
12
EDDIE SAYS
0.2 x 60 = 12
  • ANSWERS
  • Question 9

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

10.05 hours = 10  hours
?
 minutes
CORRECT ANSWER
3
EDDIE SAYS
0.05 x 60 = 3
  • ANSWERS
  • Question 10

Use your calculator to change the following time given in decimals into a time given in hours and minutes. Write the missing number in the answer box below.

8.80 hours = 8  hours
 ?
 minutes
CORRECT ANSWER
48
EDDIE SAYS
0.8 x 60 = 48
---- OR ----
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