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Nikipoo is in Persian (Farsi) today — narrator, texts and lessons follow the Iranian school curriculum. An English edition is on the way.

Math Bubbles

Pop the bubble with the right answer!

A Math learning game for primary school, Grade 1 to Grade 6

SubjectMath Grades1 to 6 Levels204 Free in every lesson10–30%

Math Bubbles is a mental-math game for primary school, grade 1 through grade 6. The question sits at the top of the screen, bubbles rise from the bottom, and the child pops the bubble with the right answer. If the correct bubble floats off the screen there's no penalty; the same question continues with fresh bubbles.

The Android app is on Cafe Bazaar and Myket, Iran's app stores. Anywhere else, play the online version in any browser.

Math Bubbles is part of the Nikipoo School app, alongside 85 other games. The game is in Persian.

What does it look like?

Screenshot of Math Bubbles — Math Bubbles
Math Bubbles
Pop the bubble with the right answer!
Screenshot of Math Bubbles — Grade 1 through grade 6
Grade 1 through grade 6
Matched to each grade's math textbook
Screenshot of Math Bubbles — 141 levels across 6 grades
141 levels across 6 grades
Step by step, easy to hard

About the game

What's inside

  • 141 levels across six grades, each matched to that grade's math textbook
  • Grade 1: addition and subtraction up to 10, and friends of ten
  • Grade 2: addition and subtraction up to 15 and 20
  • Grade 3: three-digit mental addition and subtraction, times tables 2 to 5 and 10, and their division
  • Grade 4: times tables 6 to 9 and the full table, multiplying by 10 and 100
  • Grade 5: mental multi-digit multiplication and division, decimal addition and subtraction
  • Grade 6: multiplying and dividing decimals by whole numbers, and shifting the decimal point
  • A Persian narrator reads each level's instruction
  • No blame for a wrong tap — the child is encouraged to try again
  • Works offline once installed

Math Bubbles — an educator's view

Mental math means the child can reach an answer without paper or fingers, and Math Bubbles asks for exactly that. The question sits at the top, and answer-bubbles rise from the bottom; the child must pop the right one before it reaches the top. The game's ladder climbs alongside the textbook: addition and subtraction up to ten and forward counting in grade 1, adding by tens and hundreds in grade 3, the six-to-nine times table in grade 4, and multiplying and dividing decimals by whole numbers in grade 6.

Holding the question in mind

The child has to keep the question in mind, work out the answer, and scan the bubbles at the same time. Psychologists call this short-term mental space "working memory" — where numbers are held and manipulated temporarily. This game exercises it steadily, in a manageable dose.

A shortcut through place value

In levels like "three-digit plus a hundred" or "adding thousands", counting one by one doesn't work. The child gradually learns to change only the hundreds or thousands digit and leave the rest alone. That's when place value turns from a textbook definition into a working tool.

Eye-hand coordination

The bubbles are moving, so the child has to see the answer, track its path, and tap it at the right moment. This coordination between seeing and acting, especially for grade 1 and 2 children, is good practice for fine motor skills and visual focus.

A chance that comes back

If the right bubble floats off the top of the screen, nothing is lost; the same question comes back with fresh bubbles. The child learns that missing a moment isn't the end of the story. That feeling helps them approach harder questions more calmly.

A tip for parentsAt the dinner table or while shopping, ask questions in this game's style, like "three hundred forty plus two hundred" or "seven times eight", and after the answer ask "how did you work it out?" Hearing the child's method, more than the answer itself, shows where they need help.

Grade by grade, what does it teach?

Level titles are listed in the order the child plays them — from easy to hard, following the school textbook.

Grade 133 levels
  1. Addition to 3
  2. Addition to 5
  3. Adding up to 5, carefully
  4. Addition to 10
  5. Breather: easy addition
  6. One more: adding 1
  7. Counting forward: adding 1 and 2
  8. Count on from the bigger number
  9. Breather: one more
  10. Friends of ten: sums that make ten
  11. Count forward: adding 1 to 3
  12. Breather: friends of ten
  13. Friends of nine: sums that make nine
  14. Subtraction to 3
  15. Subtraction to 5
  16. Subtraction to 10
  17. Addition and subtraction to 5
  18. Adding and subtracting
  19. Review: to 10
  20. Counting backward: subtracting 1 and 2
  21. Boss: count forward and back
  22. Subtracting from ten
  23. Friends of ten: adding and subtracting
  24. Subtracting from bigger numbers
  25. Boss: champion of ten
  26. Count backward: subtracting 1 to 3
  27. Forward or backward? Adding and subtracting 1 and 2
  28. Boss: three steps forward, three steps back
  29. Subtracting from nine
  30. Friends of nine: adding and subtracting
  31. Boss: big numbers up to ten
  32. Grade 1 celebration: addition and subtraction champion
Grade 232 levels
  1. Addition to 15
  2. Subtraction to 15
  3. Mixed practice to 15
  4. Boss: fast sky
  5. Addition to 20
  6. Mixed practice to 20
  7. Subtraction to 20
  8. Boss: bubble storm
  9. Addition, faster
  10. Subtraction, faster
  11. All together
  12. Breather: review
  13. Final celebration: bubble champion
  14. Review: to 15
  15. Review: to 20
  16. Adding up to 30
  17. Subtracting up to 30
  18. Adding and subtracting up to 30
  19. Boss: fast adding and subtracting up to 30
  20. Breather: adding up to 30
  21. Adding up to 50
  22. Subtracting up to 50
  23. Adding and subtracting up to 50
  24. Boss: math up to 50
  25. Breather: adding up to 50
  26. Two-digit addition up to 100
  27. Two-digit subtraction up to 100
  28. Adding and subtracting up to 100
  29. Breather: adding up to 100
  30. Big boss: two-digit champion
Grade 335 levels
  1. Multiplication: Times table of 2
  2. Multiplication: Times tables of 5 and 10
  3. Breather: Times table of 2
  4. Multiplication: Times table of 3
  5. Multiplication: Times table of 4
  6. Breather: Times table of 10
  7. Multiplication: times tables 2, 3, 4, and 5
  8. Division by 2, 5 and 10
  9. Division by 3 and 4
  10. Boss: fast multiplication and division
  11. Dividing by 2, 3, 4, 5, and 10
  12. Grade 3 big review
  13. Adding tens up to 100
  14. Subtracting tens up to 100
  15. Adding hundreds
  16. Subtracting hundreds
  17. Boss: fast hundreds
  18. Breather: adding hundreds
  19. Adding tens up to 1,000
  20. Subtracting tens up to 1,000
  21. Three-digit plus tens
  22. Three-digit minus tens
  23. Boss: three-digit mental math
  24. Breather: adding tens
  25. Three-digit plus hundreds
  26. Three-digit minus hundreds
  27. Adding fifties
  28. Subtracting fifties
  29. Friends of 100: fives
  30. Friends of 1,000: hundreds
  31. Subtracting from 1,000: hundreds
  32. Boss: friends of 100 and 1,000
  33. Breather: adding fifties
  34. Boss: Times tables of 2, 5 and 10
  35. Grade 3 celebration: three-digit bubble champion
Grade 435 levels
  1. Multiplication: Times table of 6
  2. Multiplication: Times table of 7
  3. Breather: Times table of 5
  4. Multiplication: Times table of 8
  5. Multiplication: Times table of 9
  6. Breather: Times tables of 2 and 3
  7. The whole times table
  8. Tricky times-table multiplication
  9. Breather: times table of 4
  10. Review: three-digit addition and subtraction
  11. Adding thousands
  12. Subtracting thousands
  13. Four-digit plus hundreds
  14. Four-digit minus hundreds
  15. Four-digit plus tens
  16. Four-digit minus tens
  17. Boss: thousands and hundreds
  18. Breather: adding thousands
  19. Friends of 1,000: tens
  20. Subtracting from 1,000: tens
  21. Multiply by 10 and 100
  22. Multiplying tens by one-digit numbers
  23. Breather: Times table of 10
  24. Division by 6 and 7
  25. Boss: Times tables of 6 and 7
  26. Division by 8 and 9
  27. Boss: Times tables of 6 to 9
  28. Division, the whole table
  29. Tricky times-table division
  30. Boss: tricky multiplication and division
  31. Mixed multiplication and division
  32. Grade 4 big review
  33. Division by 10 and 100
  34. Boss: fast multiplication and division
  35. Grade 4 celebration: bubble master
Grade 535 levels
  1. Review: the whole times table
  2. Adding ten thousands
  3. Subtracting ten thousands
  4. Five-digit plus thousands
  5. Five-digit minus thousands
  6. Boss: ten thousands and thousands
  7. Breather: adding thousands
  8. Friends of 10,000: thousands
  9. Subtracting from 10,000: thousands
  10. Two-digit multiplication by 2 to 5
  11. Two-digit multiplication by 6 to 9
  12. Division with a two-digit answer
  13. Boss: multi-digit multiplication and division
  14. Breather: Multiply by 10 and 100
  15. Multiply by 10, 100 and 1000
  16. Multiplying hundreds by one-digit numbers
  17. Multiplying thousands by one-digit numbers
  18. Dividing by 10, 100, and 1,000
  19. Adding tenths up to 1
  20. Decimal addition up to 10
  21. Breather: adding tenths
  22. Hundredths plus tenths
  23. Adding two-decimal-place numbers
  24. Adding hundredths up to 1
  25. Subtracting tenths up to 1
  26. Decimal subtraction up to 10
  27. Boss: decimal addition and subtraction
  28. Hundredths minus tenths
  29. Subtracting two-decimal-place numbers
  30. Boss: tenths and hundredths
  31. Breather: tenths up to 1
  32. Subtracting hundredths up to 1
  33. Boss: hundredths
  34. Grade 5 big review
  35. Grade 5 celebration: decimal champion
Grade 634 levels
  1. Review: decimal addition and subtraction
  2. Review: tenths and hundredths
  3. Adding and subtracting decimals with tenths
  4. Two-digit multiplication up to 30 by 6 to 9
  5. Two-digit multiplication up to 50, by 2 to 5
  6. Breather: Multiply by 10, 100 and 1000
  7. Decimals: multiply by 2 and 3
  8. Decimals: multiply by 4 and 5
  9. Decimals: multiply by 6 to 9
  10. Boss: multiplying decimals by whole numbers
  11. Breather: Decimals multiplied by 2
  12. Multiplying hundredths by 2 to 5
  13. Multiplying hundredths by 6 to 9
  14. Breather: multiplying decimals by 3
  15. Decimals: multiply by 10 and 100
  16. Division by 10 and 100
  17. Boss: moving the decimal point
  18. Breather: Decimals multiplied by 10
  19. Dividing by 100 and 1,000
  20. Multiplying hundredths by 10, 100, and 1,000
  21. Boss: decimal point left and right
  22. Breather: Division by 10
  23. Grade 6 big review
  24. Dividing three-digit by one-digit numbers
  25. Dividing by 6 to 9 with a two-digit answer
  26. Boss: mental multiplication and division
  27. Decimals: divide by 2 and 3
  28. Decimals: divide by 4 and 5
  29. Decimals: divide by 6 to 9
  30. Boss: decimal multiplication and division
  31. Breather: Decimals divided by 2
  32. Dividing hundredths by 2 to 5
  33. Boss: multiplying and dividing hundredths
  34. Grade 6 celebration: decimal master

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Play Math Bubbles now

Open Nikipoo School — Math Bubbles and 85 other games are waiting for you.

The Android app is on Cafe Bazaar and Myket, Iran's app stores. Anywhere else, play the online version in any browser.