Unit 3 Vocabulary Flashcards Preview

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Flashcards in Unit 3 Vocabulary Deck (16):
1

A number expressed in the form of a/b (a over b) where a is a whole number and b is a positive whole number.

Fraction

2

Two fractions that have the same value, but have different numerators and denominators; the two fractions always simplify to the same fraction.

Equivalent Fractions

3

A comparison of two numbers using division. The comparison of a to b (where b cannot be zero) can be written as a to b, a/b, or a:b.

Ratio

4

A fraction whose numerator and denominator represent the same quantity but use different units. (Foot times 12 = inch)

Conversion Factor

5

A fraction that has a fraction in its numerator, denominator or both.

Complex fractions

6

Constant value of the ratio of proportional quantities x and y. Written as y = kx, k is the constant of proportionality when the graph passes through the origin. Constant of proportionality can never be zero.

Constant of proportionality

7

In a proportion, the product of a numerator and denominator represent the same quantity but use different units.

Cross products

8

Two numbers whose product is one.

Multiplicative inverse

9

A rate of change expressed as a percent.

Percent rate of change

10

A ratio comparing a number to 100.

Percent

11

An equation stating that two ratios are equivalent.

Rate

12

A comparison of two numbers using division. The ratio of a to b (where b is not 0) can be written as a to b, as (a/b), or as a:b

Ratio

13

Figures that have the same shape but the sizes are proportional.

Similar figures

14

Scale drawing a drawing that uses a scale to make an object smaller than or larger than the real object.

Scale drawing

15

The ratio between two sets of measurements.

Scale factor

16

A ratio in which the second term, or denominator, is one.

Unit rate