# proportional formula NC

### teacher overview

proportionalFormulaNCsample.pdf

### teach-learn-practise

teach-learn | practise-learn | timely practice | |

1 | proportionalFormulaNCtl1.pdf | sign up for - use of timely practice
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2 | proportionalFormulaNCtl2.pdf | proportionalFormulaNC2.pdf | |

3 | proportionalFormulaNC3.pdf | ||

4 | not written yet | ||

5 | not written yet | ||

6 | not written yet | ||

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### NC information

National curriculum code and descriptions (partially) covered by the strands

N2 apply the four operations, including formal written methods, to integers, decimals and simple fractions (proper and improper), and mixed numbers – all both positive and negative;

R1 change freely between related standard units (e.g. time, length, area, volume/capacity, mass) and compound units (e.g. speed, rates of pay, prices, density, pressure) in numerical and algebraic contexts

R10 solve problems involving direct and inverse proportion, including graphical and algebraic representations

R11 use compound units such as speed, rates of pay, unit pricing*, *density and pressure