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#### Erica's Errors - A Level (Year 2) Bundle

(1)
Erica is struggling with many aspects of the A level mathematics course and needs help from your students. What you have here is 17of her homeworks, each with mistakes in solutions which your students need to find, correct and explain where Erica has gone wrong. These are purely designed to generate discussion and to allow students to demonstrate their understanding, whilst also allowing them to show their own methods of silving problems. These are all based upon the new A level curriculum.
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#### Erica's Errors - AS/A Level Maths (Year 1) Bundle

(1)
Erica makes mistakes; lots of mistakes. You have her homework on every topic covered in the first year of her A level mathematics course where she consistently makes mistakes. Your job, or more accurately, the students in your classes' job is to correct Erica's errors and explain where she's gone wrong so that she doesn't make the same mistakes again. These have gone down well in my classes and really encourage discussion about the mathematics and should embed a deeper understanding.
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(7)
Erica has made some silly mistakes on her quadratics homework, involving factorising, solving , completing the square, functions and the discriminant. Your students' task is to find the errors, correct them and explain what Erica has done incorrectly. This should generate discussion in class.
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#### Erica's Errors On Algebraic Expressions

(9)
Erica is taking A level mathematics but is making silly errors in her homework. Can your students spot and correct the errors, explaining what Erica has done wrong. These are designed to create discussion and reinforce understanding of the topics. This is thefirst A level version of &quot;Clumsy Clive&quot; which covers the GCSE curriculum.
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#### Erica's Errors On Vectors

(4)
Vector notation this time for Erica, and the usual issues have arisen. as with all the others, can you check Erica's homework for errors, correct and explain what she did wrong. Designed for discussion etc.
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#### Erica's Errors On Binomial Expansion

(5)
Erica is struggling with the binomial expansion; can you (and your class) help Erica correct the answers she has arrived at and explain to her what she has done incorrectly. This is designed to create discussion and help students become familiar with new style questions.
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#### Erica's Errors On Straight Line Graphs

(7)
Erica has straight line graphs homework but her answers don't agree with the answers given. Can you explain to her where she has gone wrong as well as correct her homework? This should lead to a discussion between students over common mistakes and misconceptions. My error (oh, the irony) is now corrected.
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#### Erica's Errors On Algebraic Methods

(4)
Erica is struggling with algebraic division, the factor theorem and proof. She needs your help to correct her mistakes before explaining what she's done incorrectly. This is designed to create discussion and embrace the new curriculum that likes getting students to spot mistakes.
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#### Erica's Errors On Circles

(4)
Erica is tackling equations of circles but is, as usual, making errors. Can you help Erica correct the errors and explain what she has done incorrectly. designed to get students to check work carefully and discuss what has gone wrong.
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#### Erica's Errors On Trigonometric Identities and Equations

(5)
Erica's struggling again - please help her sort out her misunderstandings. This is, like all the others, design to create discussion and tap in to the new curriculum and question style.
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#### Erica's Errors On Integration

(4)
All sorts of calculus issues for Erica here! She really needs your (your class') help to correct her work and explain where she's gone wrong. There are common mistakes here for student to find and discuss in class.
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#### Erica's Errors On Exponentials and Logarithms

(4)
Erica has recently had a homework on exponentials and logarithms (including natural logarithms) and is really srtuggling. Can you help her by correcting her answers and explaining her mistakes? Designed to encourage discussion and the ability to check work carefully, as the new A level course seems to like.
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#### Erica's Errors On Differentiation 2

(3)
Erica is struggling whilst differentiating trigonometric functions, using the product, chain and quotient rules and parametric equations. She is desperate - please help her! Designed for students to demonstrate understanding and to encourage discussion.
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#### Erica's Errors On Sequences and Series

(3)
Erica is getting a bit lost on arithmetic and geometric sequences and series. Could you please help her sort out her homework? Her errors will need explaining so that they aren't made again. A task designed to encourage discussion.
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#### Erica's Errors On Differentiation 3

(3)
Erica got another homework to fine tune her differentiation skills regarding implicit functions, chain rule and second derivatives. Predictably it is not going entirely to plan. Can your students help Erica correct her mistakes and explain what she's done incorrectly. Designed for students to display understanding and cause discussion.
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#### Erica's Errors On Binomial Expansion 3

(5)
Erica's teacher thought she needed more practice on the binomial expansion with negative and fractional indices, including estimating a root using an expansion. She has, as ever, got it all wrong so needs your help. Designed to help students prove their understanding.
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#### Erica's Errors On Graphs and Transforming Functions

(6)
Erica has homework again but is getting a little confused. She needs your help to explain where she has got confused and to correct what she's done. These questions contain common mistakes and should lead to discussion in class between students.