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CalculationRankings

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| Youri Lieberton | |
| Arithmetic problems to solve or number sequences to complete as a stopwatch counts down. Play the games to compare high scores against other speedy problem solvers; take the timed tests to see correct answers after submission. | |
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| Levels: | Elementary, Middle School (6-8) |
| Languages: | English |
| Resource Types: | Web Interactive/Java |
| Math Topics: | Basic Operations, Sequences and Sets |
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