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Decimal & Percent Notation
LANGUAGERead, write, and use decimal and percentage notation correctly — decimal, decimal point, tenths, hundredths, thousandths, percentage, per cent, % symbol, convert, terminating decimal — and understand the relationships between fractions, decimals, and percentages as three ways of expressing the same value
Mastery Evidence
- Read and write decimal numbers correctly, identifying the value of each digit (ones, tenths, hundredths)
- Use the % symbol correctly and explain that per cent means 'out of 100'
- Convert between simple fractions, decimals, and percentages (e.g. 1/2 = 0.5 = 50%) and explain why they are equal
Assessment Prompt
“If [child] saw '0.5' and '50%' written down, could they explain that they both mean the same amount — and write them as a fraction too?”
Prerequisites0
No prerequisites — this is a foundational topic.
Unlocks5
- Decimals and fractions (age 10+)hardAges 10—11
- Decimals and fractions (age 11+)hardAges 11—13
- Decimal equivalents of tenths and hundredthshardAges 8—9
- Decimals for Tenths & HundredthshardAges 9—10
- Understanding PercentageshardAges 9—10