Grade 8
PrintEighth grade introduces functions as a key organizing idea, with linear relationships examined in depth through equations, graphs, and tables. The number system expands to include irrational numbers, and geometry covers transformations, congruence, similarity, and the Pythagorean Theorem. Statistics and probability work focuses on linear models and bivariate data.
Example Problems
Graph:
Let .
On which intervals is f increasing?
On which intervals is f increasing?
A cylinder has a radius of units and a volume of or 175.93 cubic units. What is the height of the cylinder?
Is closer to or ?
An organization surveyed its employees on satisfaction with a training program.
What percent of Sales employees were satisfied?
| Department | Satisfied | Not Satisfied | TOTAL |
|---|---|---|---|
| HR | 12 | 3 | 15 |
| IT | 18 | 6 | 24 |
| Sales | 20 | 10 | 30 |
| TOTAL | 50 | 19 | 69 |
What percent of Sales employees were satisfied?
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