Pre-Algebra

Ratios and Proportions flashcards

0/12

12 cards remaining

All 12 cards in this deckShow
What does “Equivalent Ratios” mean?Equivalent Ratios
Ratios representing the same comparison after equal scaling of both terms.
What important condition applies to equivalent ratios?Equivalent Ratios
The order of ratio terms matters.
What does “Simplifying Ratios” mean?Equivalent Ratios
A comparison reduced to integer terms with no shared factor greater than one.
What important condition applies to simplifying ratios?Equivalent Ratios
A simplified ratio does not state the original total count.
What does “Unit Rates” mean?Unit Rates
A rate expressed per one unit of the reference quantity.
What important condition applies to unit rates?Unit Rates
The denominator quantity must be nonzero.
What does “Average Speed” mean?Unit Rates
Total distance traveled per unit of elapsed time.
What important condition applies to average speed?Unit Rates
Average speed does not describe every instant of the trip.
What does “Solving Proportions” mean?Solving Proportions
An equation stating that two ratios are equal.
What important condition applies to solving proportions?Solving Proportions
Keep corresponding quantities in the same order.
What does “Scale Drawings” mean?Solving Proportions
A constant relationship between drawing dimensions and actual dimensions.
What important condition applies to scale drawings?Solving Proportions
A length scale factor is not an area scale factor.