Adding whole tens

1 bonus points
59 successes

Adding whole tens quiz. Here is an example 30 + 90 = ?
For sure you can do it! Good luck.

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Leaderboard: Adding whole tens

maximum of 10 points
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Examples of questions from "Adding whole tens"

  • 10 + 10 =
  • 60 + 90 =
  • 80 + 20 =

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Total time: 1713338642.8212 s