Learn – Arithmetic – Decimals

Problem set 1
Problem set 2
Problem set 3
Problem set 4
Problem set 5
Problem set 6
Problem set 7
Fun problems


Problem set 1

Evaluate the following (without using calculators).

  1. 0.016 + 0.002 + 0.982
  2. 0.005 - 0.904
  3. 0.005 - 0.906
  4. 0.00074 + 0.00006 + 0.0002
  5. 0.000704 + 0.000006 + 0.00029


Problem set 2

Evaluate the following (without using calculators).

  1. 0.08 \times 0.002
  2. 0.016 \times 0.002
  3. 0.016 \div 0.0002
  4. 4.016 \div 40
  5. 3.3033 \div 110


Problem set 3

Evaluate the following (without using calculators).

  1. 0.11 \div 0.3
  2. \frac{47500}{0.0475}


Problem set 4

Evaluate the following (without using calculators).

  1. 0.016 \times 0.001
  2. 0.08 \div 0.001
  3. 0.002 \times 1.02 \div 2.04
  4. -0.008 + 0.02808 \div 0.01
  5. -0.0905 - 0.0095 + 0.9 - 2


Problem set 5

Evaluate the following (without using calculators).

  1. 0.016 \div 80
  2. 0.08 \div 800
  3. 0.04 \times 2000
  4. 7.2 \div 8000
  5. 0.01 \times 5000


Problem set 6

Evaluate the following (without using calculators).

  1. 33033\div 10^4 \div 1.1
  2. 333.33 \div 10^4
  3. 333.33 \times 10^4
  4. 0.032 \times 10^5
  5. -0.0005 \times 10^3 - 1.995 \div 0.01


Problem set 7

Evaluate the following (without using calculators).

  1. 9999 \times 10^{-6} \div 11
  2. (0.8\times 0.4) \times 10^{-5}
  3. 0.02 \div 10^{-2}
  4. 0.02 \times 10^{-2}
  5. 10^{-2}\times 0.001


Fun problems

  1. If \frac{7.239x}{0.01} = 0.7239\times1867, what is x?