Numsprite數靈精Play free
中文

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

  1. What a fraction isBottom: how many equal parts; top: how many taken
  2. Fractions on a number lineCount the spaces, not the tick marks
  3. Equivalent fractionsMultiply or divide top and bottom by the same number
  4. Simplifying fractionsDivide top and bottom by the H.C.F.
  5. Comparing fractionsSame bottom: compare tops. Same top: the bigger bottom is smaller
  6. Adding and taking away like fractionsKeep the bottom, add or take away the tops
Practise it in the game →First fractions · Free to start, unlimited questions, no downloadAll maths topics →