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7th grade 9 units · 119 skills. Unit 1 Proportional relationships. Unit 2 Rates and percentages. Unit 3 Integers: addition and subtraction. Unit 4 Rational numbers: addition and subtraction. Unit 5 Negative numbers: multiplication and division. Unit 6 Expressions, equations, & inequalities. Unit 7 Statistics and probability.
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Unit 9: Proportional relationships. Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!
Learn how to identify and use rates, proportional relationships, and constants of proportionality in different contexts with Khan Academy's articles and exercises.
Learn all about proportional relationships. How are they connected to ratios and rates? What do their graphs look like? What types of word problems can we solve with proportions?
Some examples of writing two ratios and setting them equal to each other to solve proportion word problems.
Let's graph the equation y = 2.5x. For every increase of 1 in x, y increases by 2.5. We call this the "unit rate" or "slope". The graph shows a proportional relationship because y changes at a constant rate as x changes and because y is 0 when x is 0.
If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
This unit is all about proportions. From learning how to identify the constant of proportionality to graphing and solving proportions, you'll be ready to apply your new knowledge to linear relationships.
Learn how pressure, volume, temperature, and the amount of a gas are related to each other.