Fractions · Usually met around P3
First fractions
From “What a fraction is” to “Adding and taking away like fractions”, step by step, each skill with its methods, worked examples and answers.
Skills in this topic, easy to hard
- What a fraction isBottom: how many equal parts; top: how many taken
- Fractions on a number lineCount the spaces, not the tick marks
- Equivalent fractionsMultiply or divide top and bottom by the same number
- Simplifying fractionsDivide top and bottom by the H.C.F.
- Comparing fractionsSame bottom: compare tops. Same top: the bigger bottom is smaller
- Adding and taking away like fractionsKeep the bottom, add or take away the tops