YOUR LEARNING PATH

Your Learning Path

Two courses, one path — from first beads to three-digit numbers. Progress stays on this device.

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Course 1

Beginner Soroban

The first course. Worlds 1–6.

6 worlds · 37 lessons · Worlds 1–6 · 0 / 37 lessons

World 1

Meet the Soroban

1Meet the SorobanRods, the bar, and the two kinds of beads.›2Clear to ZeroZero means no beads touch the bar.›3Make 1–4Count with lower beads only.›4Meet 5The upper bead is worth five.›5Make 6–9Five plus lower beads.›6Numbers 0–9Make, read, and clear.›

World 2

Numbers and Place Value

1Ones RodThe rightmost rod is ones.›2Tens RodThe next rod left is tens.›3Make TensTens from 10 through 90, with an empty ones rod.›4Make 11–19One ten plus ones.›5Two DigitsTens and ones, without the early labels.›6Place Value CheckRead and build two-digit numbers.›

World 3

Direct Addition and Subtraction

1Add OneMove one more bead toward the bar.›2Add Lower BeadsDirect addition with free lower beads.›3Add FiveMove the five-bead down.›4Addition PracticeOnly moves that the beads can do directly.›5Take AwayMove beads away from the bar.›6Subtraction PracticeDirect subtraction only.›7Direct CheckAdd and subtract without complements.›

World 4

Friends of 5

1Friends of 51 with 4, and 2 with 3.›2Add with 5Add 5, then take away the friend.›3More Friends of 5More addition around the five-bead.›4Subtract with 5Take the five away, then add its friend.›5Mixed Friends of 5Add and subtract with the five-bead.›6Friends of 5 CheckA short friends-of-5 check.›

World 5

Friends of 10

1Friends of 10Pairs that make ten.›2Add Across TenAdd ten, then take away the friend.›3More Across TenMore carrying with a friend of 10.›4Subtract Across TenTake ten, then add the friend.›5Mixed Friends of 10Carry and borrow.›6Friends of 10 CheckA short carrying and borrowing check.›

World 6

Mixed Practice

1Choose the MoveDirect, friend of 5, or friend of 10.›2Mixed AdditionDirect and complement addition.›3Mixed SubtractionDirect and complement subtraction.›4Two-Digit MixWork across tens and ones.›5Picture ItRemember the beads for a moment.›6Course ChallengeA calm mix of everything so far.›

Course 2

Big Numbers: Add & Subtract

Build, add, and subtract numbers into the hundreds.

4 worlds · 24 lessons · Worlds 7–10 · 0 / 24 lessons

World 7

Hundreds

1Meet the Hundreds RodSee the hundreds rod.›2Build 3-Digit NumbersBuild a three-digit number.›3Read 3-Digit NumbersRead a three-digit number.›4Zeros MatterKeep a place for zero.›5Place Value ChallengeBuild hundreds, then tens, then ones.›6Hundreds CheckpointMix building, reading, and place value.›

World 8

3-Digit Addition

1Add HundredsAdd hundreds with a direct move.›2Add Tens and OnesAdd tens and ones directly.›3Friends of 5 AgainUse the friend of 5.›4Friends of 10 AgainUse the friend of 10.›5Bigger AdditionAdd across more than one place.›6Addition CheckpointMix three-digit addition.›

World 9

3-Digit Subtraction

1Subtract HundredsSubtract hundreds with a direct move.›2Subtract Tens and OnesSubtract tens and ones directly.›3Friends of 5 SubtractUse the friend of 5 to subtract.›4Borrow Across TenBorrow with the friend of 10.›5Bigger SubtractionSubtract across more than one place.›6Subtraction CheckpointMix three-digit subtraction.›

World 10

Mixed 3-Digit Math

1Mixed AdditionChoose addition and finish it.›2Mixed SubtractionChoose subtraction and finish it.›3Add or Subtract?Look at the sign, then move.›4Two MovesDo two moves in a row.›5Picture the BeadsPicture the beads, then answer.›6Big Numbers ChallengeUse everything from this course.›

Course 3

Multiplication Foundations

Understand groups, facts, and multiplying bigger numbers.

4 worlds · 24 lessons · Worlds 11–14 · 0 / 24 lessons

World 11

Multiplication Means Groups

1Meet MultiplicationMultiplication is a fast way to add equal groups.›2Equal GroupsPicture equal groups before you multiply.›3Repeated AdditionAdd the same number again and again.›4Multiply by 2Doubling is multiplying by 2.›5Multiply by 5Count in fives with groups.›6World 11 ChallengeGroups, repeated addition, and small facts.›

World 12

Build Your Times Tables

1Multiply by 3Add three again and again.›2Multiply by 4Four equal groups.›3Multiply by 5Use the pattern of fives.›4Multiply by 10Tens make multiplying by 10 quick.›5Mixed FactsMix facts you know.›6World 12 ChallengeCheckpoint for times-table facts.›

World 13

Multiply Bigger Numbers

1Tens × 2Multiply tens by 2.›2Tens × 3Multiply tens by 3.›3Tens × 4Multiply tens by 4.›4Tens × 5Multiply tens by 5.›5Mixed TensMix tens facts.›6World 13 ChallengeCheckpoint for tens multiplication.›

World 14

Two-Digit Multiplication

1Split Tens and OnesBreak a two-digit number apart.›2Multiply Each PlaceMultiply the tens part and the ones part.›3Put the Parts TogetherAdd the partial products.›4Two-Digit × One-DigitUse decomposition on the Soroban.›5Mixed MultiplicationFacts, tens, and decomposition.›6Course 3 Master ChallengeUse everything from multiplication foundations.›

Course 4

Division Foundations

Understand equal groups, division facts, and larger division step by step.

4 worlds · 24 lessons · Worlds 15–18 · 0 / 24 lessons

World 15

Division Means Groups

1Meet DivisionSplit a total into equal groups.›2Equal SharingFind how many belong in each group.›3Equal GroupsFind how many groups fit.›4Division and MultiplicationDivision undoes multiplication.›5Repeated SubtractionTake the same amount away until you reach zero.›6World 15 ChallengeShare, group, and use a multiplication family.›

World 16

Build Your Division Facts

1Divide by 2Halve a number you know.›2Divide by 3Use the 3 family.›3Divide by 4Use the 4 family.›4Divide by 5Use the 5 family.›5Divide by 10Tens make dividing by 10 quick.›6World 16 ChallengeMix facts you can check with multiplication.›

World 17

Divide Bigger Numbers

1Divide TensDivide tens by a small number.›2Divide HundredsDivide hundreds by a small number.›3Split to DivideBreak a number into parts that divide evenly.›4Two-Digit DivisionDivide a two-digit number exactly.›5Three-Digit DivisionDivide a three-digit number that splits cleanly.›6World 17 ChallengeTens, hundreds, and a split.›

World 18

Division Mastery

1Division with RemaindersSee what is left after equal groups.›2Check with MultiplicationMultiply, then add the remainder.›3Choose a StrategyUse a fact, a split, or repeated subtraction.›4Mixed DivisionFacts, bigger numbers, and a remainder.›5Multiply or DivideUse the same fact family both ways.›6Division Foundations ChallengeUse everything from this course.›

Course 5

Advanced Soroban

Build bigger numbers, solve multi-step calculations, and become fluent with the Soroban.

4 worlds · 24 lessons · Worlds 19–22 · 0 / 24 lessons

World 19

Four-Digit Numbers

1Meet Four-Digit NumbersIntroduce the thousands place.›2Thousands RodThousands, hundreds, tens, and ones.›3Build Four-Digit NumbersBuild numbers with four places.›4Add Thousands and HundredsAdd across the bigger rods.›5Subtract Thousands and HundredsSubtract on the bigger rods.›6World 19 ChallengeMixed four-digit place-value challenge.›

World 20

Four-Digit Add & Subtract

1Four-Digit AdditionAdd across all four rods.›2Four-Digit SubtractionSubtract across all four rods.›3Friends of 5 Across PlacesUse Friends of 5 on different rods.›4Friends of 10 Across PlacesUse Friends of 10 across places.›5Mixed Four-Digit OperationsMix addition and subtraction.›6World 20 ChallengeFinal big-number challenge.›

World 21

Calculation Chains

1Three-Step CalculationsThree moves in a row.›2Four-Step CalculationsLonger calculation chains.›3Mixed Add & Subtract ChainsMix addition and subtraction in one chain.›4Friends in Calculation ChainsFriends of 5 and 10 inside a chain.›5Keep the Running TotalContinue from the beads you already set.›6World 21 ChallengeMulti-step chain challenge.›

World 22

Soroban Fluency

1Accuracy FirstShort mixed practice with careful moves.›2Read, Build, CalculateSee a number, build it, then calculate.›3Short Calculation RunsSeveral short exercises in a row.›4Mixed Soroban FluencyMix place value, operations, and fact review.›5Prepare for Mental SorobanPicture the beads before the next course.›6Advanced Soroban ChallengeCourse 5 final challenge.›

Course 6

Mental Soroban Foundations

Picture the beads, move them in your mind, and check your work on the Soroban.

4 worlds · 24 lessons · Worlds 23–26 · 0 / 24 lessons

World 23

See the Soroban in Your Mind

1Picture a NumberLook at the beads, then remember the number.›2Remember the BeadsSee the number, then name it from memory.›3Build from MemoryRebuild the number on the Soroban after it hides.›4Partly Hidden SorobanPicture the beads when the board fades.›5Quick Number ImagesRecognize numbers shown briefly.›6World 23 ChallengeMixed visual memory challenge.›

World 24

Move the Beads in Your Mind

1Imagine Plus OnePicture adding one bead.›2Imagine Minus OnePicture taking one bead away.›3Imagine Small Direct AdditionDirect mental addition.›4Imagine Small Direct SubtractionDirect mental subtraction.›5See It, Then Solve ItHide the board and solve mentally.›6World 24 ChallengeMixed mental movement.›

World 25

Mental Friends of 5 & 10

1Picture Friends of 5Friend of 5 moves in your mind.›2Mental Friends of 5 — SubtractSubtract with Friends of 5 mentally.›3Picture Friends of 10Friend of 10 across tens and ones.›4Mental Friends of 10 — SubtractBorrow with Friends of 10 mentally.›5Mixed Mental FriendsMix direct moves and friends.›6World 25 ChallengeMixed mental friend moves.›

World 26

First Mental Calculations

1Mental Two-Step CalculationsKeep the beads in mind for two moves.›2Mental Three-Step CalculationsThree moves without resetting.›3Mental Tens and OnesThink in tens and ones rods.›4Mental Friends in ChainsFriends inside a short chain.›5Solve, Then Check on the SorobanAnswer mentally, then move the real beads.›6Mental Soroban ChallengeCourse 6 final challenge.›

Course 7

Mental Addition & Subtraction

Calculate with the Soroban in your mind — direct moves, friends, and longer chains.

4 worlds · 24 lessons · Worlds 27–30 · 0 / 24 lessons

World 27

Mental Direct Operations

1Mental Direct PlusSimple direct addition in your mental Soroban.›2Mental Direct MinusDirect subtraction in your mind.›3Mental Add TensChange the tens rod; keep the ones rod in your mind.›4Mental Subtract TensSubtract tens while you picture the ones rod.›5Tens and Ones — DirectChange tens, then ones — all direct moves.›6World 27 ChallengeMixed direct mental moves.›

World 28

Mental Friends of 5

1Mental Add with Friends of 5Picture Friend-of-5 addition on the ones rod.›2Mental Subtract with Friends of 5Friend-of-5 subtraction in your mind.›3Friends of 5 on the Ones RodOnly the ones rod needs a Friend of 5.›4Tens First, Then Friends of 5Change tens, then handle Friends of 5 on ones.›5Direct or Friend of 5?Choose the right strategy in your mind.›6World 28 ChallengeMixed Friend-of-5 mental moves.›

World 29

Mental Friends of 10

1Mental Add with Friends of 10Add with a Friend of 10 across the tens boundary.›2Mental Subtract with Friends of 10Borrow with Friends of 10 in your mind.›3Cross the TenNotice when your mental move crosses a ten.›4Mixed Friends of 5 and 10Pick direct, Friend of 5, or Friend of 10 mentally.›5Two-Digit Mixed OperationsTens, ones, and friends together.›6World 29 ChallengeMixed Friends-of-10 mental practice.›

World 30

Mental Add & Subtract Mastery

1Two-Digit Mental AdditionBroader two-digit addition in your mind.›2Two-Digit Mental SubtractionTwo-digit subtraction with your mental Soroban.›3Three-Digit Mental AdditionControlled three-digit addition — use Show Soroban if you need it.›4Three-Digit Mental SubtractionThree-digit subtraction with calm checking.›5Mental Add & Subtract ChainsKeep the mental board through several moves.›6Mental Add & Subtract Master ChallengeCourse 7 finale — mix everything you learned.›

Course 8

Mental Math Fluency / Anzan

Quick recognition, flash sequences, and calm personal fluency.

4 worlds · 24 lessons · Worlds 31–34 · 0 / 24 lessons

World 31

Quick Mental Image Recognition

1Mental Image RecognitionSee the beads briefly, then name the number.›2Flash One-Digit SorobanNumbers 0–9, brief exposure.›3Flash Two-Digit SorobanRecognize tens and ones quickly.›4Flash Three-Digit SorobanControlled hundreds practice.›5Hold the Mental ImageSee the number, wait, then answer.›6World 31 ChallengeMixed 1–3 digit recognition.›

World 32

Longer Mental Chains

1Three-Step Mental ChainKeep the board through three moves.›2Four-Step Mental ChainFour validated operations.›3Five-Step Mental ChainFive moves — stay calm and accurate.›4Mixed Sign ChainsAddition and subtraction together.›5Hold the Running TotalNo board between moves — mental only.›6World 32 ChallengeMixed 3–6 step chains.›

World 33

Flash Anzan Foundations

1Flash Addition IntroWatch a short addition series.›2Flash Subtraction IntroFlash subtraction series.›3Flash Two-Digit SeriesTwo-digit flash changes.›4Flash Mixed Add & SubtractMixed +/- flash sequence.›5Personal Flash PacePractice at a comfortable rate — no speed pressure.›6World 33 ChallengeShort mixed flash series.›

World 34

Mental Math Fluency

1Accuracy Before SpeedFirst-try correctness matters most.›2Calm Paced PracticeGentle personal pacing.›3Mixed 1–3 Digit MentalControlled mental add/subtract.›4Longer Flash SeriesLonger sequences when accuracy is steady.›5Mental Soroban Free PracticeRepeat calm generated practice.›6Mental Math Fluency Master ChallengeFinal challenge of the current curriculum path.›