OwP2
Find percentage as a part of a whole uses fraction benchmarks to find percentages of quantities (to find 75% of 160, I know that 50% (half) of 160 is 80, and 25% (quarter) is 40 so 75% is 120) finds a percentage of a quantity (10%, 20%, 25%, 50%, …
OwP2 | Operating with percentages | Number sense and algebra | National Numeracy Learning Progression | National Literacy and Numeracy Learning Progressions | Resources
OwP1
Understanding percentages and relative size interprets per cent as meaning ‘out of 100’ recognises that 100% is a complete whole interprets a percentage as an operator (percentage is of an amount, 17% of $80, 17% does not exist alone without its …
OwP1 | Operating with percentages | Number sense and algebra | National Numeracy Learning Progression | National Literacy and Numeracy Learning Progressions | Resources