| ★ | Currently, Thus, Despite | Vocabulary | Khan Academy | | — | Estados Unidos | |
| 2 | Accumulate, Vast, Consist | Vocabulary | Khan Academy | | — | Estados Unidos | 87 |
| 6 | Stereotype, Obstacle | Vocabulary | Khan Academy | | — | Estados Unidos | 80 |
| 7 | Express, Immersive | Vocabulary | Khan Academy | | — | Estados Unidos | 79 |
| 10 | Benefit, Philosophy | Vocabulary | Khan Academy | | — | Estados Unidos | 77 |
| 11 | Conceal, Convey, Correspond | Vocabulary | Khan Academy | | — | Estados Unidos | 77 |
| 12 | Introduction to order of operations | Arithmetic properties | Pre-Algebra | Khan Academy | | — | Estados Unidos | 77 |
| 13 | Inexplicable, Interrogate | Vocabulary | Khan Academy | | — | Estados Unidos | 77 |
| 14 | Contradiction | Vocabulary | Khan Academy | | — | Estados Unidos | 77 |
| 16 | Prominent, Contrast | Vocabulary | Khan Academy | | — | Estados Unidos | 75 |
| 17 | Dynamic, Durable | Vocabulary | Khan Academy | | — | Estados Unidos | 75 |
| 18 | Relevant, Skeptical, Suspend | Vocabulary | Khan Academy | | — | Estados Unidos | 74 |
| 20 | Funding for 5-12 at D/F schools in AZ | | — | Estados Unidos | 72 |
| 3 | Essential, Advance, Longevity, Modify | Vocabulary | Khan Academy | | 1.7K | Estados Unidos | 86 |
| 1 | Objective | Vocabulary | Khan Academy | | 1.4K | Estados Unidos | 88 |
| 9 | Critical, Conversely, Approximately, Moreover | Vocabulary | Khan Academy | | 1.2K | Estados Unidos | 78 |
| 8 | Demonstrate, Hypothesis, Accurate | Vocabulary | Khan Academy | | 1.1K | Estados Unidos | 79 |
| 4 | Elaborate, Necessity | Vocabulary | Khan Academy | | 1.1K | Estados Unidos | 82 |
| 19 | Submerge, Profound | Vocabulary | Khan Academy | | 662 | Estados Unidos | 73 |
| 15 | Adapt, Collaborate, Criticize | Vocabulary | Khan Academy | | 502 | Estados Unidos | 76 |
| 5 | Vague, Interpret | Vocabulary | Khan Academy | | 453 | Estados Unidos | 81 |