Common Fractions
Topics
- The Concept of a Fraction
- Proper and Improper Fractions
- Comparing Fractions
- Reducing Fractions
- Bringing Fractions to a Common Denominator
- Adding Fractions
- Subtracting Fractions
- Adding and Subtracting Fractions
- Multiplying Fractions. Finding a Fraction of a Number
- Dividing Fractions. Finding a Number from Its Fraction
- Multiplication and Division
- All Four Operations with Fractions
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The Concept of a Fraction
- The fraction a/b means a parts of size 1/b: the numerator counts the parts, the denominator names their size.
- What does the bottom number of a fraction tell you? Denominator = into how many equal parts. Numerator = how many were taken.
- What part of a metre is 50 cm? 50 cm out of 100 cm = 50/100 = 1/2 of a metre.
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