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Starter Cards - ALGEBRA Introduction These cards are designed to be used as mental and oral starters at Key Stages 2 to 4 Ideally they should be laminated with the sample key questions on the back Please add key questions of your own and adapt the cards to reflect the ability of your students A1 A1 SAMPLE KEY QUESTIONS SUPPORT CORE EXTENSION On your white boards, write down On your whiteboards write down •One bigger than t •m bigger than t •2 greater than t •4 less than double t •4 less than t •3 greater than t and then doubled •Double t •t less than 5 •t squared less than a A2 A2 SAMPLE KEY QUESTIONS SUPPORT CORE EXTENSION On your whiteboards, write down On your white boards, write down On your whiteboards write down •If m = 2 what is the value of 5m ? •One bigger than 5m •m bigger than 5m •2 greater than 5m •4 less than double 5m •How about m = 3 , 1, a half …… •4 less than 5m •Double 5m •5m less than 5 •Let m = 0.2 , 0.5 , a quarter …… •3 greater than 5m and then doubled •5m squared less than a •Let m = 1.2, 0.6, … A3 A3 SAMPLE KEY QUESTIONS SUPPORT CORE EXTENSION On your whiteboards, write down On your white boards, write down On your whiteboards write down •As many pairs of whole numbers as you can which add up to 6 •As many pairs of fractions which satisfy this equation •As many pairs of whole numbers which satisfy this equation – one number must be negative •As above with decimals and fractions •Express x in terms of y A4 A4 SAMPLE KEY QUESTIONS SUPPORT CORE EXTENSION On your whiteboards, write down On your white boards, write down On your whiteboards write down •As many pairs of whole numbers as you can which make sense in this equation •As many pairs of fractions which satisfy this equation •As many pairs of whole numbers which satisfy this equation – one number must be negative •As above with decimals and fractions •Express x in terms of y Using cards A5 to A8 Give out the 4 cards to 4 pupils Ask pupils to stand at the front of the class showing the cards Give ‘x ‘ a value e.g x = 1 Ask the pupils to put themselves in order lowest to highest value of the expression Repeat with other values, keep a record of card positions and ask for comments as x increases in value Suitable for Core and Extension classes A5 A6 A7 A8 A9 a , b , c , d… A9 SAMPLE KEY QUESTIONS SUPPORT •These letters stand for numbers in a sequence. If the numbers go up in twos and a = 2, what are the other numbers? •How about if b = 6 •d = 7 ….. •The numbers now increase by 3 each time ….. CORE •The difference is 4 each time. If c = 11 what are the other numbers? •If d = 5 …… •Each number is double the previous number. If c = 12 what is a ? •…….. EXTENSION The difference is 3 each time. If a =1 what is the nth term? If a= 4, use the nth term to find the 10th term …….