700 prompts matching "Rounding each quantity to one significant figure before estimating"
Explain back: Repeated multiplication of the fractional part by the new base
I have just studied repeated multiplication of the fractional part by the new base in my S
Spot my mistake: Adding the characteristics wrongly when the numbers differ in size
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Spot my mistake: Using the slant height where the vertical height is needed
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Spot my mistake: The cosine of the latitude in the distance formula
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Spot my mistake: The exterior angle of a cyclic quadrilateral
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Spot my mistake: The amplitude and the period of a sine curve
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Spot my mistake: Using class limits where class boundaries are required
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Spot my mistake: Identifying the right-angled triangle hidden inside a solid
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Spot my mistake: The truth table for 'if p then q'
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Spot my mistake: Measuring a bearing clockwise from the wrong reference line
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Spot my mistake: Confusing joint variation with partial variation
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Worked example: Checking a base division by multiplying back
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Worked Example: Variation problems in Nigerian market pricing contexts
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Worked example: Evaluating a negative expression in modular arithmetic
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Worked example: The locus of points equidistant from two fixed points
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Worked example: Inserting a geometric mean between two numbers
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Worked example: Locating the quartiles in an ordered set of data
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Worked example: Finding the number in neither set from a Venn diagram
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Worked Example: Probability using tree diagrams
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Worked example: An equation modulo 12 solved on the clock face
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