836 prompts matching "Cambridge Way: Why the index is negative for a small number"
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Find the Error in My Congruent Shapes and Properties of Quadrilaterals Work
I attempted a JSS2 Maths problem on identifying the congruence condition used, such as SSS
Worked Example: Taking the common prime factors of three numbers
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Spot My Mistake: Using inverses to solve an equation
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Worked Example: The inverse operation of addition
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Spot My Mistake: Expanding a bracket with a minus in front
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Worked Example: Expanding a bracket and then collecting like terms
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Explain Back: Factorising an expression with a letter in common
I have just studied factorising an expression with a letter in common in my JSS2 Mathemati
Explain Back: Plotting a point with a negative coordinate
I have just studied plotting a point with a negative coordinate in my JSS2 Mathematics cla
Worked Example: Using the nth term to find the hundredth term
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Spot My Mistake: One interior angle of a regular polygon
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Worked Example: Finding the number of sides from the interior angle
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Worked Example: The interior and the exterior angle at the same vertex
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Worked Example: The centre of rotation of a symmetrical shape
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Spot My Mistake: Translating a shape by a given vector
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Worked Example: The vector that undoes a translation
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Worked Example: Finding the mirror line from a shape and its image
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Spot My Mistake: Rotating a shape about a point outside it
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Worked Example: Finding the centre of a rotation
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Worked Example: The scale of a map or a plan
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Spot My Mistake: A ladder leaning against a wall
Act as my JSS2 Mathematics tutor. Work a question on a ladder leaning against a wall with