Year 6 Maths reasoning (SATs) · Fractions and decimals reasoning · Summary
Year 6 Maths reasoning (SATs) Fractions and decimals reasoning: summary and key words
Part of the Year 6 Maths reasoning (SATs) fractions and decimals reasoning chapter. Chapter overview · whole chapter on one page
Chapter summary
| Skill | Method |
|---|---|
| Comparing fractions | Use a common denominator, then compare the tops. |
| Equivalent fractions | Multiply or divide the top and bottom by the same number. |
| Simplifying | Divide the top and bottom by the highest common factor. |
| Adding and subtracting | Common denominator, then add or subtract the tops. |
| Multiplying | Multiply the tops, multiply the bottoms, then simplify. |
| Dividing by a whole number | Multiply the bottom by the whole number. |
| Decimals x or / 10, 100, 1000 | x moves the digits left; / moves them right. |
| Percentages | Find 1% (divide by 100), then multiply by the percentage. |
Can you…?
- I can compare and order fractions, including fractions greater than 1
- I can simplify a fraction and write an equivalent fraction
- I can add and subtract fractions and mixed numbers
- I can multiply and divide fractions, and give the answer in simplest form
- I can move the digits of a decimal when multiplying or dividing by 10, 100 or 1000
- I can round a decimal and find a percentage of an amount
Key terms
- equivalent fraction
- a fraction with the same value, such as 1/2 and 2/4
- simplest form
- a fraction where the top and bottom have no common factor except 1
- common denominator
- the same bottom number for two or more fractions
- mixed number
- a whole number with a fraction, such as 2 1/3
- thousandths
- places after the decimal point: 0.001 is one thousandth
- percentage
- a number out of 100, shown with the % sign