Decimals and percentages · Usually met around P4
Decimals
From “Decimals and fractions” to “Starting percentages”, step by step, each skill with its methods, worked examples and answers.
Skills in this topic, easy to hard
- Decimals and fractionsTenths are 110, hundredths 1100
- Adding tenths and hundredthsTurn tenths into hundredths, then add
- Decimal place value0.1s, 0.01s, 0.001s: compare place by place
- Dividing by 10 and 100÷ 10: the point moves 1 place left; ÷ 100: 2
- Comparing decimalsCompare from the top place; more digits isn't bigger
- Decimals in money and measures1 L = 1000 mL, $1 = ten 10¢
- Adding and subtracting decimalsMatch the places, work as whole numbers
- Three decimals added and taken awayLine up the points; left to right
- Starting percentages50% a half, 25% a quarter, 10% a tenth
Practise it in the game →Decimals · Free to start, unlimited questions, no downloadAll maths topics →