Year 7 Half Term 6 (Summer 2) - Users | Mathematics Mastery
Year 7 Half Term 6 (Summer 2) Percentages and pie chartsThis half term, all students will: Working mathematicallyDevelop fluencyconsolidate their numerical and mathematical capability from key stage 2 and extend their understanding of the number system and place value to include decimals and fractionsselect and use appropriate calculation strategies to solve increasingly complex problemsmove freely between different numerical, algebraic, graphical and diagrammatic representationsuse language and properties precisely to analyse numbers and statisticsReason mathematicallyextend their knowledge of proportionmake and test conjectures about patterns and relationships; look for proofs or counter-examplesinterpret when the structure of a numerical problem requires additive, multiplicative or proportional reasoningexplore what can and cannot be inferred in statistical settings, and begin to express their arguments formallySolve problemsdevelop their mathematical knowledge, in part through solving problems and evaluating the outcomes, including multi-step problemsdevelop their use of formal mathematical knowledge to interpret and solve problemsselect appropriate concepts, methods and techniques to apply to unfamiliar and non-routine problemsSubject contentNumberuse the concepts and vocabulary of prime numbers, factors (or divisors), multiples, common factors, common multiples, highest common factor and lowest common multipleuse the four operations, including formal written methods, applied to positive integers, decimals, proper and improper fractions, and mixed numbersrecognise and use relationships between operations including inverse operationswork interchangeably with terminating decimals and their corresponding fractions (such as 3.5 and 72 or 0.375 and 38)define percentages as ‘number of parts per hundred’, interpret percentages and percentage changes as a fraction or a decimal, express one quantity as a percentage of another, compare two quantities using percentages, and work with percentages greater than 100%interpret fractions and percentages as operatorsuse standard units of mass, length, time, money and other measures, including with decimal quantitiesround numbers and measures to an appropriate degree of accuracy [for example, to a number of decimal places]use approximation through rounding to estimate answersRatio, proportion and rates of changeexpress one quantity as a fraction of another, where the fraction is less than 1 and greater than 1understand that a multiplicative relationship between two quantities can be expressed as a fractionsolve problems involving percentage change, including: percentage increase and percentage decreaseGeometry and measuresmeasure angles in geometric figuresapply the properties of angles at a point, angles at a point on a straight line, vertically opposite anglesStatisticsuse pie charts to describe, interpret and compare observed distributions of a single variableinterpret pie charts for categorical dataUnit 19Pie chartsThis week’s unit introduces the topic of pie charts. Students are required to draw on their knowledge of fractions to read and interpret pie charts. At the start of this unit, students focus on using their mathematical reasoning skills to interpret the pie charts. Protractors and angle measuring are?used to introduce more?formal methods using fractions of amounts to read the pie charts accurately. Within this unit, students will learn to:read and interpret pie chartsfind fractions of amountsfind the whole given?a partUnit 20PercentagesThis week’s unit formally looks at percentages and their relationship with fractions. Students met percentages earlier in the year alongside work on decimals, so should be familiar with the denominator of 100. This unit will look at converting between fractions and percentages, as well as comparing representations of these. Bar models, pie charts and 100 grids will be used throughout to pictorially represent these numbers.Within this unit, students will learn to:understand percentage as a fractional operator with denominator of 100express a part of a whole as a percentage, using the percentage symbol (%)write fractions as percentages and vice versarepresent percentages on a pie chartUnit 21Percentage of a quantityThis week’s unit builds on the previous work on percentages and fractions to look at finding percentages of amounts. Although pie charts may be used to represent finding percentages of amounts, percentage increase and decrease cannot accurately be represented on a pie chart since the total changes. Students are not expected to be using multipliers, but rather finding percentages of amounts and using these to increase/decrease the total.Within this unit, students will learn to:find fractions and percentages of given quantitiesfind the whole given a part and the percentagefind percentage increase and percentage decreaseUnit 22Project workThe final fortnight of Year 7 gives students time to consolidate the year’s mathematics using project-based work. Topics such as countries of the world, tourism, food content, fitness, sports events, etc. would be ideal for this type of project. Please do send in your ideas and examples of work. We are really looking forward to hearing back from you as to how you have spent this time with the students and sharing excellent practice within the community. ................
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