1,447 prompts matching "Estimating an answer by rounding each quantity first"
Quiz: Reading the maximum or minimum value off a quadratic
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Practice set: Forming a quadratic equation from a given graph
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Word problem: The gradient of a line from two points on it
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Word problem: Building a frequency table from a list of raw data
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Word problem: Choosing class intervals that do not overlap
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Worked example: Combining a trigonometric ratio
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Quiz: Calculating compound interest on a given principal
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Practice set: Finding the original amount before a percentage increase
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Practice set: Factorising a quadratic expression of the form
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Quiz: Comparing two sets of data using their statistical
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Practice set: Recognising the restrictions on the conclusions
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Worked example: Constructing a perpendicular bisector
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Word problem: Setting out a simple frequency distribution
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Quiz: Using proportional reasoning to solve a real-life ratio
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Practice set: Average speed over a whole journey
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Word problem: Multiplying surds that share the same root
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Practice set: The length of a line segment from its endpoints
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Word problem: The equation of a line through two given points
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Practice set: Calculating the probability of a single event
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Real-life question: Converting a number from base two back
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