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Add & Subtract 20 collection

Practice both addition and subtraction skills up to 20.

4 included subjects available before the full app loads.

Included subjects

  • Addition 11-20 Practice addition with numbers up to 20.
  • Subtraction 0-10 Practice subtraction with numbers from 0 to 10.
  • Addition 0-10 Practice addition with numbers from 0 to 10.
  • Subtraction 11-20 Practice subtraction with numbers up to 20.
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