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# Maths facts reminders

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Some key definitions for level 1 and 2 basic numeracy - prepared by Robert Turner

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### Maths facts reminders

1. 1. Maths Facts/Reminders City of Bristol College
2. 2. Length <ul><li>1 metre is 100 centimetres </li></ul><ul><li>1 metre is 1000 millimetres </li></ul><ul><li>1 centimetre is 10 millimetres </li></ul><ul><li>1 kilometre is 1000 metres </li></ul>
3. 3. Capacity <ul><li>1 litre is 100 centilitres </li></ul><ul><li>1 litre is 1000 millilitres </li></ul><ul><li>1 centilitre is 10 millilitres </li></ul>
4. 4. Weight <ul><li>1 gram is 1000 milligrams </li></ul><ul><li>1 kilogram is 1000 grams </li></ul><ul><li>1 tonne is 1000 kilograms </li></ul>
5. 5. Averages <ul><li>Mean: add up all the numbers then divide by how many there are </li></ul><ul><li>Median: the middle number </li></ul><ul><li>Mode: the most frequent number </li></ul><ul><li>Range: the difference between highest and lowest </li></ul>
6. 6. Temperature <ul><li>Water boils at 100 ◦ C </li></ul><ul><li>Water freezes at 0 ◦ C </li></ul><ul><li>Blood temperature is about 37 ◦ C </li></ul>
7. 7. Order of operations <ul><li>B – Brackets </li></ul><ul><li>I – Indices </li></ul><ul><li>D – Divide </li></ul><ul><li>M – Multiply </li></ul><ul><li>A – Add </li></ul><ul><li>S - Subtract </li></ul>
8. 8. Fractions <ul><li>Number on top of a common fraction: numerator </li></ul><ul><li>Number on bottom of a common fraction: denominator </li></ul><ul><li>To turn a fraction into a percentage, </li></ul><ul><li>multiply by 100 </li></ul>
9. 9. Conversion <ul><li>An inch is approximately 2.5 cm (2.54) </li></ul><ul><li>A kilogram is approximately 2.2 lb </li></ul><ul><li>A litre is approximately 1.75 pints </li></ul><ul><li>A mile is approximately 1.6 km </li></ul><ul><li>A km is approximately 0.62 miles </li></ul>
10. 10. Area and Volume <ul><li>Distance round the edge is the Perimeter </li></ul><ul><li>The edge of a circle is the Circumference </li></ul><ul><li>Half of Diameter is Radius </li></ul><ul><li>Area of a rectangle is Length x Width </li></ul><ul><li>Volume of a cuboid is Length x Width x Height </li></ul>
11. 11. Now try to remember...
12. 12. Length <ul><li>1 metre is ____ centimetres </li></ul><ul><li>1 metre is ____ millimetres </li></ul><ul><li>1 centimetre is ____ millimetres </li></ul><ul><li>1 kilometre is ____ metres </li></ul>
13. 13. Capacity <ul><li>1 litre is ___ centilitres </li></ul><ul><li>1 litre is ____ millilitres </li></ul><ul><li>1 centilitre is __ millilitres </li></ul>
14. 14. Weight <ul><li>1 gram is ____ milligrams </li></ul><ul><li>1 kilogram is ____ grams </li></ul><ul><li>1 tonne is ____ kilograms </li></ul>
15. 15. Averages <ul><li>Mean: _______________ then ______ by ___ ____ _____ ___ </li></ul><ul><li>Median: the ______ number </li></ul><ul><li>Mode: the ____ ________ number </li></ul><ul><li>Range: the _________ between _______ and ______ </li></ul>
16. 16. Temperature <ul><li>Water boils at ____ </li></ul><ul><li>Water freezes at ____ </li></ul><ul><li>Blood temperature is about ____ </li></ul>
17. 17. Order of operations <ul><li>B – ________ </li></ul><ul><li>I – _______ </li></ul><ul><li>D – ______ </li></ul><ul><li>M – ________ </li></ul><ul><li>A – ___ </li></ul><ul><li>S - ________ </li></ul>
18. 18. Fractions <ul><li>Number on top of a common fraction: _________ </li></ul><ul><li>Number on bottom of a common fraction: ___________ </li></ul><ul><li>To turn a fraction into a percentage, </li></ul><ul><li>________ by ___ </li></ul>
19. 19. Conversion <ul><li>An inch is approximately ___ cm ( ____ ) </li></ul><ul><li>A kilogram is approximately ___ lb </li></ul><ul><li>A litre is approximately ____ pints </li></ul><ul><li>A mile is approximately ____ km </li></ul><ul><li>A km is approximately ____ miles </li></ul>
20. 20. Area and Volume <ul><li>Distance round the edge is the _________ </li></ul><ul><li>The edge of a circle is the _____________ </li></ul><ul><li>Half of the Diameter is the ______ </li></ul><ul><li>Area of a rectangle is ______ x _____ </li></ul><ul><li>Volume of a cuboid is ______ x ____ x ______ </li></ul>