What is the definition of a rational number?

A rational number is any number that can be expressed as a fraction p/q where p and q are integers and q ≠ 0. This includes integers, terminating decimals, and repeating decimals.

Which property is illustrated by the equation: 3 × (4 + 5) = (3 × 4) + (3 × 5)?

This illustrates the Distributive Property of multiplication over addition, which states that a(b + c) = ab + ac.

What is the difference between a prime number and a composite number?

A prime number has exactly two distinct factors: 1 and itself. A composite number has more than two factors. Note: 1 is neither prime nor composite.

What is the Associative Property of Addition?

The Associative Property of Addition states that the grouping of addends does not change the sum: (a + b) + c = a + (b + c).

What is the absolute value of a number, and what does |−7| equal?

Absolute value is the distance of a number from zero on the number line, always non-negative. |−7| = 7.

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Praxis Core: Number & Quantity

Master Number & Quantity concepts tested on the Praxis Core Math exam. These 25 flashcards cover real numbers, operations, fractions, ratios, percentages, and number properties essential for teacher certification.

25 cards Intermediate Number Properties Fractions & Decimals Ratios, Rates & Proportions Percentages Integers & Order of Operations

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