LibraryMath & LogicAddition Fluency
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Addition Fluency

Mental addition through 30 + 30

496 cards~83 minOptional fluency practice

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Your path through the deck

Learn it chapter by chapter.

Start with a chapter that catches your eye, or mix a few together in your round.

20 chapters · 496 cards
  1. 01
    Sums 0–930 cards · ~5 min
  2. 02
    Sums 10–19 · Set 132 cards · ~5 min
  3. 03
    Sums 10–19 · Set 232 cards · ~5 min
  4. 04
    Sums 10–19 · Set 316 cards · ~3 min
  5. 05
    Sums 20–29 · Set 132 cards · ~5 min
  6. 06
    Sums 20–29 · Set 232 cards · ~5 min
  7. 07
    Sums 20–29 · Set 332 cards · ~5 min
  8. 08
    Sums 20–29 · Set 432 cards · ~5 min
  9. 09
    Sums 20–29 · Set 52 cards · ~1 min
  10. 10
    Sums 30–39 · Set 132 cards · ~5 min
  11. 11
    Sums 30–39 · Set 232 cards · ~5 min
  12. 12
    Sums 30–39 · Set 332 cards · ~5 min
  13. 13
    Sums 30–39 · Set 432 cards · ~5 min
  14. 14
    Sums 30–39 · Set 57 cards · ~1 min
  15. 15
    Sums 40–49 · Set 132 cards · ~5 min
  16. 16
    Sums 40–49 · Set 232 cards · ~5 min
  17. 17
    Sums 40–49 · Set 321 cards · ~4 min
  18. 18
    Sums 50–59 · Set 132 cards · ~5 min
  19. 19
    Sums 50–59 · Set 23 cards · ~1 min
  20. 20
    Sums 60–691 cards · ~1 min

Taste it

Three cards to begin.

Tap any card to reveal the answer.
01
Prompt: 0 + 0
Math & LogicA little curiosity
Sum · RECALL0 + 0Think it. Then flip it.
02
Prompt: 0 + 1
Math & LogicA little curiosity
Sum · RECALL0 + 1Think it. Then flip it.
03
Prompt: 0 + 2
Math & LogicA little curiosity
Sum · RECALL0 + 2Think it. Then flip it.

Searchable preview

The questions inside.

Open a question to see its answer.
  1. 010 + 0RECALL
  2. 020 + 1RECALL
  3. 030 + 2RECALL
  4. 040 + 3RECALL
  5. 050 + 4RECALL
  6. 060 + 5RECALL
  7. 070 + 6RECALL
  8. 080 + 7RECALL
  9. 090 + 8RECALL
  10. 100 + 9RECALL
  11. 111 + 1RECALL
  12. 121 + 2RECALL
  13. 131 + 3RECALL
  14. 141 + 4RECALL
  15. 151 + 5RECALL
  16. 161 + 6RECALL
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  19. 192 + 2RECALL
  20. 202 + 3RECALL
  21. 212 + 4RECALL
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  27. 273 + 5RECALL
  28. 283 + 6RECALL
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  30. 304 + 5RECALL
  31. 310 + 10RECALL
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  119. 1190 + 28RECALL
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  241. 2410 + 30RECALL
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