Unit 2 Vocabulary: Ratios and Proportional Relationships

Imagine Luna is baking cookies and she wants to know how many cookies she can bake per hour. What is a unit rate?

• A rate with a denominator of one

• A rate with a numerator of one

• A rate with equal numerator and denominator

• A rate with a denominator of zero

Hey there, math adventurers! Imagine you're on a journey with Lily, Mia, and Daniel, exploring the magical world of numbers. Can you tell us what a rate of change is?

• A measure of how much a quantity changes over time

• A constant value that does not change

• A fixed point in a graph

• A type of mathematical operation

Hey there, math wizards! Grace is on a quest to find out what a constant is. Can you help her by choosing the right answer?

• A variable that can change its value

• A fixed value that does not change

• A mathematical operation

• A type of function

Emma and Kai are exploring the magical world of mathematics. They stumble upon a mysterious term called the 'constant of proportionality'. What could this magical constant be?

• A variable that changes with time

• A fixed value that relates two proportional quantities

• A mathematical operation

• A type of graph

Priya and Elijah are having a friendly debate about math. Priya asks, "Elijah, do you know what a percent of change is?"

• A measure of the relative change in value over time

• A fixed percentage applied to a value

• A percentage representing a part of a whole

• A constant rate of increase or decrease

Hey Aiden, Grace, and Avery! Imagine you're running a lemonade stand. What does 'markup' mean in this context?

• The amount added to the cost price of goods to cover overhead and profit.

• A programming language used for creating web pages.

• A type of financial market analysis.

• A method of calculating interest rates.

Ava, Nora, and Abigail are planning a fun trip and need to calculate how much extra money they'll have from their savings. Can you help them figure out what simple interest is?

• The interest calculated on the initial principal only

• The interest calculated on both the initial principal and the accumulated interest

• The interest calculated on a daily basis

• The interest calculated using a complex formula

Hannah and Charlotte are discussing their new part-time jobs. Hannah says, "I love earning extra money through commission!" What does she mean by commission?

• A fee paid to an agent for services rendered

• A type of government tax

• A form of investment

• A legal document

Imagine Liam is creating a blueprint for his dream treehouse. What kind of drawing should he use to ensure everything is perfectly proportioned?

• A drawing that represents an object or area proportionally reduced or enlarged in size.

• A drawing that is not proportional to the actual object or area.

• A drawing that uses only one color.

• A drawing that is created without any measurements.

Imagine Harper and Mason are drawing a giant circle on the playground. The radius of their circle is the distance from the center to which of the following?

• Circumference

• Diameter

• Any point on the circle

• Center