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Vidaara.orgClass 5 · Mathematics
CodeVID-M05-03-CVT-01
Converting Fractions/Decimals/Percents - Assignment
Chapter: Percentages
Topic: Converting Between Fractions, Decimals, Percents
Maximum Marks: 35
Time: 75 minutes
Name: ____________________ Roll No.: __________ Date: ____________

General Instructions

  • All questions are compulsory.
  • Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
  • Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions 5 × 1 = 5 marks
1.
To change a decimal to a percent, multiply by:
  • A.$10$
  • B.$100$
  • C.$1000$
  • D.$2$
2.
To change a percent to a decimal, divide by:
  • A.$10$
  • B.$100$
  • C.$1000$
  • D.$2$
3.
$\tfrac12=0.5=$
  • A.$5\%$
  • B.$50\%$
  • C.$500\%$
  • D.$0.5\%$
4.
$0.25=$
  • A.$2.5\%$
  • B.$25\%$
  • C.$250\%$
  • D.$0.25\%$
5.
$\tfrac34=0.75=$
  • A.$7.5\%$
  • B.$75\%$
  • C.$750\%$
  • D.$0.75\%$
Section B — Short Answer (2 marks) 4 × 2 = 8 marks
6.
Write $0.4$ as a percent.
7.
Write $60\%$ as a decimal.
8.
Write $\tfrac14$ as a percent.
9.
Write $0.9$ as a percent.
Section C — Short Answer (3 marks) 4 × 3 = 12 marks
10.
Write $\tfrac35$ as a decimal and a percent.
11.
Write $45\%$ as a fraction in simplest form.
12.
Write $0.08$ as a percent.
13.
Write $\tfrac{7}{10}$ as a percent.
Section D — Long Answer (5 marks) 2 × 5 = 10 marks
14.
Complete: for $\tfrac14$ give the decimal and percent; for $0.8$ give the fraction (simplest) and percent.
15.
Order from least to greatest: $\tfrac12,\ 0.45,\ 55\%$.

Answer Key

Section A — Multiple Choice Questions
  1. (B) $100$
  2. (B) $100$
  3. (B) $50\%$
  4. (B) $25\%$
  5. (B) $75\%$
Section B — Short Answer (2 marks)
  1. $40\%$.
  2. $0.6$.
  3. $25\%$.
  4. $90\%$.
Section C — Short Answer (3 marks)
  1. $0.6$; $60\%$.
  2. $\tfrac{9}{20}$.
  3. $8\%$.
  4. $70\%$.
Section D — Long Answer (5 marks)
  1. $\tfrac14=0.25=25\%$; $0.8=\tfrac45=80\%$.
  2. $0.45,\ \tfrac12,\ 55\%$.
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