Comparing ratios

Practise this line

1. 1The four-waySwitching between ratio, fraction, decimal and percentage.
   • The four-way: fraction, decimal and percent
   Explanation: Switch between ratio, fraction, decimal and percentFrom year 7 · 9
2. 2Comparing ratiosEquivalent ratios: 2 in 3 is the same as 6 in 9.
   • Ratio tables
   Explanation: Find the scale factor and use it both timesFrom year 6 · 36
3. 3The ratio tableFilling in with steps, with and without a story, and price per kilo.
   • Filling in the ratio table
   • Story problems with a ratio table
   • Price per kilo
   Explanation: What you do above, do below as well · Put the story in the table · Calculate back to 1From year 6 · 26
4. 4Scale and speedScale on the map, distance and time, and converting m/s to km/h.
   • Scale on the map
   • Speed, distance and time
   • m/s and km/h
   Explanation: 1 cm on the map is ... in reality · How far in 1 hour? · Times 3.6 or divide by 3.6From year 8 · 24
5. 5Fractions, percentages, decimals1 in 4 is 1/4 is 0.25 is 25%.
   • Fractions, percentages, decimals
   Explanation: Four ways to express the same partFrom year 7 · 15