Pre-Algebra
Numbers and Mathematical Reasoning flashcards
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- What does “Order of Operations” mean?Number Properties and Order of Operations
- An agreed sequence for evaluating an expression unambiguously.
- What important condition applies to order of operations?Number Properties and Order of Operations
- Multiplication and division share a priority, as do addition and subtraction.
- What does “Distributive Property” mean?Number Properties and Order of Operations
- Multiplication applied separately to each term of a sum or difference.
- What important condition applies to distributive property?Number Properties and Order of Operations
- Distribute to every term, not only the first.
- What does “Greatest Common Factor” mean?Factors Multiples and Primes
- The largest positive factor shared by two integers.
- What important condition applies to greatest common factor?Factors Multiples and Primes
- A common factor divides both numbers exactly.
- What does “Least Common Multiple” mean?Factors Multiples and Primes
- The smallest positive multiple shared by two positive integers.
- What important condition applies to least common multiple?Factors Multiples and Primes
- The least common multiple is positive; zero is not used.
- What does “Primes and Composite Numbers” mean?Factors Multiples and Primes
- An integer greater than one with exactly two positive factors.
- What important condition applies to primes and composite numbers?Factors Multiples and Primes
- One is neither prime nor composite.
- What does “Rounding and Place Value” mean?Estimating and Checking Reasonableness
- Replacing a value with a nearby number at a chosen place value.
- What important condition applies to rounding and place value?Estimating and Checking Reasonableness
- An estimate should be marked or described as approximate.
- What does “Checking Magnitude” mean?Estimating and Checking Reasonableness
- Using a benchmark or estimate to judge whether an answer has a plausible size.
- What important condition applies to checking magnitude?Estimating and Checking Reasonableness
- Keep the units and size of the quantities in the check.
