For parents

What will your child be able to do?

Just like in Japan's schools, the path runs from 15 kyu to 1 kyu and every kyu ends with an exam. Here's a real problem from each one, taken from the same exams your child will take, with its answer.

Soroban: 15 to 1 kyu

With the abacus in hand: adding and subtracting columns, then multiplication and division from 9 kyu.

  1. 15 kyu

    First steps

    2 subjects · 15 problems in 7 min each

    Mitori A

    6−5−111

    Mitori B

    4−1−289

  2. 14 kyu

    Friends of 10: adding

    2 subjects · 15 problems in 7 min each

    Mitori A

    2−29514

    Mitori B

    27−5610

  3. 13 kyu

    Friends of 10: subtracting

    2 subjects · 15 problems in 7 min each

    Mitori A

    353−7−31

    Mitori B

    983−1827

  4. 12 kyu

    Friends of 5

    2 subjects · 15 problems in 7 min each

    Mitori A

    7−477−512

    Mitori B

    7−1−33410

  5. 11 kyu

    Friends of 5 and 10 together

    2 subjects · 15 problems in 7 min each

    Mitori A

    1−157−48

    Mitori B

    247−6−34

  6. 10 kyu

    Going past 50 and 100

    2 subjects · 15 problems in 7 min each

    Mitori A

    57−9945−120

    Mitori B

    23666−692−3772

  7. 9 kyu

    Multiplying by 1 digit

    2 subjects · 15 problems in 7 min each

    Multiplication

    58 × 8 = 464

    Mitori

    6587−830120

  8. 8 kyu

    Dividing by 1 digit

    3 subjects · 15 problems in 7 min each

    Multiplication

    545 × 9 = 4,905

    Division

    222 ÷ 3 = 74

    Mitori

    812473−38−6773

  9. 7 kyu

    Multiplying by 2 digits

    3 subjects · 15 problems in 7 min each

    Multiplication

    51 × 36 = 1,836

    Division

    2,523 ÷ 3 = 841

    Mitori

    77833383133501,377

  10. 6 kyu

    Dividing by 2 digits

    3 subjects · 15 problems in 7 min each

    Multiplication

    467 × 15 = 7,005

    Division

    408 ÷ 34 = 12

    Mitori

    72682921659841714263,015

  11. 5 kyu

    6-digit numbers

    3 subjects · 15 problems in 7 min each

    Multiplication

    52 × 7,031 = 365,612

    Division

    1,677 ÷ 129 = 13

    Mitori

    1071,8726021,9269,70594830615,466

  12. 4 kyu

    7-digit numbers

    3 subjects · 15 problems in 7 min each

    Multiplication

    175 × 8,627 = 1,509,725

    Division

    122,346 ÷ 42 = 2,913

    Mitori

    67815286,8856466,65231,11132,403333158,860

  13. 3 kyu

    Decimals

    3 subjects · 15 problems in 7 min each

    Multiplication

    8,765 × 370 = 3,243,050(rounded to 3 decimal places)

    Division

    6,292.02 ÷ 8,862 = 0.71(rounded to 3 decimal places)

    Mitori

    73,59164942,4263869,6541,14952415,185820295144,679

  14. 2 kyu

    8-digit numbers

    3 subjects · 15 problems in 7 min each

    Multiplication

    69,729 × 941 = 65,614,989(rounded to 3 decimal places)

    Division

    1,001,754 ÷ 4,281 = 234(rounded to 3 decimal places)

    Mitori

    362,82858,89634,50275,4151,7922,43649687,49382,762991,7291,698,349

  15. 1 kyu

    First kyu

    3 subjects · 15 problems in 7 min each

    Multiplication

    30,393 × 3.117 = 94,734.981(rounded to 3 decimal places)

    Division

    2,291,250 ÷ 1,625 = 1,410(rounded to 3 decimal places)

    Mitori

    1,956,15482,0751,812,40871,1463,527752,0984,483,07710,347228,5445,402,65914,802,035

Anzan: 10 to 1 kyu

Mental math: the same kind of problems, without the abacus, imagining the beads. It's a path of its own.

  1. 10 kyu

    2 subjects · 10 problems in 3 min each

    Mental mitori A

    3−388

    Mental mitori B

    16−25

  2. 9 kyu

    2 subjects · 10 problems in 3 min each

    Mental mitori A

    347115

    Mental mitori B

    329620

  3. 8 kyu

    2 subjects · 10 problems in 3 min each

    Mental mitori A

    953926

    Mental mitori B

    338721

  4. 7 kyu

    2 subjects · 20 problems in 3 min each

    Multiplication

    51 × 3 = 153

    Mental mitori

    363948

  5. 6 kyu

    3 subjects · 20 problems in 3 min each

    Multiplication

    68 × 5 = 340

    Division

    60 ÷ 4 = 15

    Mental mitori

    16853122

  6. 5 kyu

    3 subjects · 20 problems in 3 min each

    Multiplication

    52 × 7 = 364

    Division

    350 ÷ 5 = 70

    Mental mitori

    719173100

  7. 4 kyu

    3 subjects · 20 problems in 3 min each

    Multiplication

    17 × 8 = 136

    Division

    243 ÷ 3 = 81

    Mental mitori

    86303234182

  8. 3 kyu

    3 subjects · 20 problems in 3 min each

    Multiplication

    876 × 3 = 2,628

    Division

    2,960 ÷ 8 = 370

    Mental mitori

    3780886045310

  9. 2 kyu

    3 subjects · 20 problems in 3 min each

    Multiplication

    69 × 94 = 6,486

    Division

    6,486 ÷ 69 = 94

    Mental mitori

    58619−50755−10215

  10. 1 kyu

    3 subjects · 20 problems in 3 min each

    Multiplication

    30 × 31 = 930

    Division

    930 ÷ 30 = 31

    Mental mitori

    1455023241226441,737

15 kyu and its exam are free.

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