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I like to use interesting visuals, activities and ideas to get the class to practice and maybe, enjoy the subject.

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I like to use interesting visuals, activities and ideas to get the class to practice and maybe, enjoy the subject.
Adding fractions (Codebreaker)
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Adding fractions (Codebreaker)

(0)
For each of the cards: 1) Work out the answer to the fraction additions. 2) There will be several equivalent fractions and the corresponding letters will spell out a word. 3) What connects each of the words?
Pythagorean Triples (Codebreaker)
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Pythagorean Triples (Codebreaker)

(3)
Calculate the missing sides using Pythagoras then use the information to crack the code. pythagoras theorem is used in many real life situations especially in the construction and engineering professions where the accurate construction of a right angle is needed such as in the building of structures or the calculating of non traversable distances.
Estimating mean of grouped data (Codebreaker)
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Estimating mean of grouped data (Codebreaker)

(1)
Calculate the mean of the set of tables and use that information to break the codes, then work out which is the odd one out. Please feel free to split it up so each pupil gets one question that reflects the amount of work they can do in a given time. (Rose is the odd one out as the others have bulbs)
Simultaneous Equations (Codebreaker)
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Simultaneous Equations (Codebreaker)

(1)
Solve the simultaneous equations, all positive answer, then use that information to break the code on the acrostic sheet. "During the Second World War Alan Turing worked for the Government code and Cypher School at Bletchley Park Britains codebreaking centre where he was head of hut eight the section responsible for German naval cryptanalysis He devised the bombe a machine that could find settings for the Enigma machine"
Missing angles (codebreaker)
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Missing angles (codebreaker)

(1)
Use the diagrams to work out the code for each card. Work out which is the odd one out. They are all in London but 'Paddington' isn't on a Monopoly board Can be used as a class with pupils changing their card when they have finished or as a set of worksheets.
Number line for the classroom
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Number line for the classroom

(4)
I created this number line for my classroom and several people asked for it so I uploaded it here. It is a mixture of popular culture, logos and pictures to represent the numbers from -19 to 20. There is a plan to make it -50 to 50 if there is enough call for it.