661 prompts matching "Practice: Using a binomial expansion to approximate a number"
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Dividing algebraic fractions
I am in SS 1. I attempted an Additional Maths question on dividing one algebraic fraction
Solving a double inequality
I am in SS 1. Quiz me with 5 short Additional Maths questions on solving a double inequali
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving simultaneous linear equations by elimination
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Changing the subject of a simple formula
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Changing the subject with a square or square root
I am in SS 1. Quiz me with 4 short Additional Maths questions on changing the subject of a
Multi-part algebraic manipulation exam question
I am in SS 1. I attempted an Additional Maths question on a Cambridge/Additional Maths sty
Explaining the difference between an expression and an equation
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WAEC-style past question on algebraic fractions
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Common sign errors in algebraic manipulation
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Learn: What makes two surds similar
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Worked Example: What makes two surds equal
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Explain Back: Why 2 root 3 and 5 root 3 count as similar surds
I have just studied why 2 root 3 and 5 root 3 count as similar surds in my SS1 Further Mat
Common Mistakes: Expressing root 50 as a multiple of root 2
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Final Revision: Surds that cannot be combined at all
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Quiz: Subtracting one surd from another
Act as my SS1 Further Mathematics tutor and quiz me on subtracting one surd from another.
Explain Back: Multiplying root a by root b
I have just studied multiplying root a by root b in my SS1 Further Mathematics class. Let
Spot My Mistake: Dividing one surd by another
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Common Mistakes: Expanding the product of two surd brackets
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Final Revision: Expressing a rationalised answer in the form a root b over c
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