Number Properties Section 5: Decimals (Beginner)

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Note: This is an introductory section for beginners or intermediates.

Decimals are really fractions where the denominator is 10.

• the fraction 3/100 is written in decimal form as 0.03
  
• the fraction 223/10,000 is 0.0223.

If you draw this out in a number line it looks like this:


0..........1..........2...........3..........4.......|..5

This | = 4 8/10 or 4.8

1 = units digit
10 = tens digit
100 = hundreds digit
1000 = thousands digit

In the number

34,567

3 is ten-thousands digit
4 is thousands digit
5 is the hundreds digit
6 is tens digit
7 is units digits

Contents of Number Properties Chapter: Table of Contents   Section 1: Number Rules   Section 2: Consecutive Numbers   Section 3: Divisibility   Section 4: Fractions   Section 5: Decimals   Section 6: Exponents   Section 7: Roots & Radicals   Section 8: Sample Questions   Exponents

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