1,483 prompts matching "IGCSE-style teach me: Judging whether a drawn line of best fit is reasonable"
Worked example: A two-step problem needing two ratios
Act as my SS1 Mathematics tutor. Take me through one full worked example on a two-step pro
Explain back: The unit circle and how it defines the ratios
I have just studied the unit circle and how it defines the ratios in my SS1 Mathematics cl
Spot my mistake: The sign of each ratio in the four quadrants
Act as my SS1 Mathematics tutor. Work a question on the sign of each ratio in the four qua
Worked example: The reference angle for an angle beyond 90 degrees
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Spot my mistake: The angle of depression and its relation to elevation
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Worked example: Finding the height of a mast from its angle of elevation
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Explain back: The law for the logarithm of a product
I have just studied the law for the logarithm of a product in my SS1 Mathematics class. Le
Spot my mistake: The law for the logarithm of a quotient
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Worked example: Using the power law to simplify a logarithmic expression
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Explain back: Multiplying large numbers with logarithms
I have just studied multiplying large numbers with logarithms in my SS1 Mathematics class.
Spot my mistake: Finding a root with logarithms
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Worked example: The shape of a logarithmic graph
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Spot my mistake: Solving a simple congruence
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Worked example: Bringing a negative number into the right residue class
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Explain back: Finite, infinite and equal sets
I have just studied finite, infinite and equal sets in my SS1 Mathematics class. Let me ex
Spot my mistake: Subsets, and how many a set has
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Explain back: A two-set Venn diagram from given numbers
I have just studied a two-set Venn diagram from given numbers in my SS1 Mathematics class.
Spot my mistake: A three-set Venn diagram from given numbers
Act as my SS1 Mathematics tutor. Work a question on a three-set Venn diagram from given nu
Worked example: The formula for the number in a union
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Explain back: Disjunction, and the inclusive sense of or
I have just studied disjunction, and the inclusive sense of or in my SS1 Mathematics class