Fractions

• Fractions on the number lineFractions: the denominator says in how many pieces
• Comparing fraction stripsThe more pieces, the smaller each piece
• From a part to the wholeBack to the whole4 × 4
• Simplifying fractionsDivide top and bottom by the same number210
• Adding fractionsFractions with the same denominator: plus and minus16 + 16
• Mixed numbersHow many whole parts fit inside?114
• Fractions with different denominatorsFind a common denominator first25 + 12
• Multiplying fractionsNumerator × numerator, denominator × denominator35 × 12
• Dividing by a fractionFlip the second fraction and multiply34 ÷ 12