1,023 prompts matching "Cambridge Way: Why the index is negative for a small number"
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Quiz Me: A reasoning puzzle comparing two large numbers
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Practice: A population figure written in millions
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Quiz Me: Carrying when a binary column makes two
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Quiz Me: Checking a binary subtraction by adding back
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Quiz Me: Multiplying a binary number by shifting and adding
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Quiz Me: Converting to base ten to solve a base two puzzle
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Practice: Counting in twos to reach a total quickly
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Practice: Converting twenty-five into base two
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Practice: Converting 1101 from base two into base ten
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Practice: Adding two four-digit binary numbers
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Quiz Me: Borrowing across a zero
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Quiz Me: A multiplication word problem set in a market
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Practice: Adding three large numbers in one sum
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Practice: Checking a subtraction by adding back
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Quiz Me: Finding factors in pairs
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Quiz Me: Writing repeated primes with indices
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Quiz Me: Checking two fractions are equivalent by cross-multiplying
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Quiz Me: Reducing a fraction in several smaller steps
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Quiz Me: Ordering fractions by comparing each with a half
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Practice: Changing a mixed number with a large whole part
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