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Time Conversion - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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Complexity=4, Mode=short

Do the following conversions. Round to nearest tenth where necessary.

1.   4 day = hr
2.   1 hr = min

Complexity=6, Mode=short

Do the following conversions. Round to nearest tenth where necessary.

1.   2 day = hr
2.   1 hr = min

Complexity=4, Mode=long

Do the following conversions. Round to nearest tenth where necessary.

1.   24 mo = yr
2.   21 day = wk

Complexity=6, Mode=long

Do the following conversions. Round to nearest tenth where necessary.

1.   60 mo = yr
2.   1 yr = mo

Complexity=4, Mode=mixed

Do the following conversions. Round to nearest tenth where necessary.

1.   4 hr = min
2.   3 yr = mo

Complexity=6, Mode=mixed

Do the following conversions. Round to nearest tenth where necessary.

1.   2 day = hr
2.   1 day = hr

Complexity=3, Mode=complex

Do the following conversions. Round to nearest tenth where necessary.

1.   1 min = s
2.   730 day = yr

Complexity=5, Mode=complex

Do the following conversions. Round to nearest tenth where necessary.

1.   180 s = min
2.   24 mo = yr

Answers

Complexity=4, Mode=short

Do the following conversions. Round to nearest tenth where necessary.

#Correct AnswerYour Answer
14 day = hr
Solution
4 day × (24 hr/1 day) = 96 hr
#Correct AnswerYour Answer
21 hr = min
Solution
1 hr × (60 min/1 hr) = 60 min

Complexity=6, Mode=short

Do the following conversions. Round to nearest tenth where necessary.

#Correct AnswerYour Answer
12 day = hr
Solution
2 day × (24 hr/1 day) = 48 hr
#Correct AnswerYour Answer
21 hr = min
Solution
1 hr × (60 min/1 hr) = 60 min

Complexity=4, Mode=long

Do the following conversions. Round to nearest tenth where necessary.

#Correct AnswerYour Answer
124 mo = yr
Solution
24 mo × (1 yr/12 mo) = 2 yr
#Correct AnswerYour Answer
221 day = wk
Solution
21 day × (1 wk/7 day) = 3 wk

Complexity=6, Mode=long

Do the following conversions. Round to nearest tenth where necessary.

#Correct AnswerYour Answer
160 mo = yr
Solution
60 mo × (1 yr/12 mo) = 5 yr
#Correct AnswerYour Answer
21 yr = mo
Solution
1 yr × (12 mo/1 yr) = 12 mo

Complexity=4, Mode=mixed

Do the following conversions. Round to nearest tenth where necessary.

#Correct AnswerYour Answer
14 hr = min
Solution
4 hr × (60 min/1 hr) = 240 min
#Correct AnswerYour Answer
23 yr = mo
Solution
3 yr × (12 mo/1 yr) = 36 mo

Complexity=6, Mode=mixed

Do the following conversions. Round to nearest tenth where necessary.

#Correct AnswerYour Answer
12 day = hr
Solution
2 day × (24 hr/1 day) = 48 hr
#Correct AnswerYour Answer
21 day = hr
Solution
1 day × (24 hr/1 day) = 24 hr

Complexity=3, Mode=complex

Do the following conversions. Round to nearest tenth where necessary.

#Correct AnswerYour Answer
11 min = s
Solution
1 min × (60 s/1 min) = 60 s
#Correct AnswerYour Answer
2730 day = yr
Solution
730 day × (1 yr/365 day) = 2 yr

Complexity=5, Mode=complex

Do the following conversions. Round to nearest tenth where necessary.

#Correct AnswerYour Answer
1180 s = min
Solution
180 s × (1 min/60 s) = 3 min
#Correct AnswerYour Answer
224 mo = yr
Solution
24 mo × (1 yr/12 mo) = 2 yr
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