By the end of this chapter you'll be able to…

  • 1Understand division as equal sharing: 12 ÷ 4 = 3 (12 things shared equally among 4 people, each gets 3)
  • 2Understand division as repeated subtraction: 12 ÷ 3 = 12 − 3 − 3 − 3 − 3 = 0, so 4 times
  • 3Relate division to multiplication: if 3 × 4 = 12, then 12 ÷ 4 = 3 (inverse relationship)
  • 4Solve simple division word problems involving sharing money, sweets, arranging in rows, etc.
  • 5Interpret remainders intuitively (e.g., 14 ÷ 4 = 3 remainder 2 — not all numbers divide perfectly)
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Why this chapter matters
Division as equal sharing is one of the most intuitive mathematical concepts — every child has shared sweets or toys. This chapter introduces division as the inverse of multiplication, teaching two methods: equal sharing (12 sweets ÷ 4 friends = 3 each) and repeated subtraction (12 − 3 − 3 − 3 − 3 = 0, so 12 ÷ 3 = 4). Understanding division deeply at this stage prevents the common fear of it later.

Before you start — revise these

A 5-minute refresher here will save you 30 minutes of confusion below.

Can We Share?

What is Division?

DIVISION means SHARING EQUALLY or GROUPING EQUALLY.

  • 12 sweets shared among 4 friends: How many does EACH get?
  • 20 students sitting in 5 rows: How many in EACH row?

When we divide, we SPLIT a number into EQUAL parts.


Equal Sharing

Example 1: Sharing Sweets

Mama brings 12 sweets for Riya and her 3 friends (4 children in total).

Question: How many sweets does EACH child get?

Solution: 12 ÷ 4 = 3 Each child gets 3 sweets.

Check: 3 + 3 + 3 + 3 = 12 ✓

Example 2: Sharing Chapatis

Grandma made 15 chapatis for 5 people.

Question: How many chapatis does EACH person get?

Solution: 15 ÷ 5 = 3 Each person gets 3 chapatis.

Check: 3 × 5 = 15 ✓

Example 3: Sharing Books

The school library has 20 new books to share equally among 4 classes.

Question: How many books does EACH class get?

Solution: 20 ÷ 4 = 5 Each class gets 5 books.


Division as Repeated Subtraction

Division can be thought of as REPEATED SUBTRACTION.

Example: 12 ÷ 4

Start with 12. Subtract 4 repeatedly until you reach 0.

StepCalculationRemaining
112 - 4 = 88
28 - 4 = 44
34 - 4 = 00

We subtracted 4 THREE times. So 12 ÷ 4 = 3.

Practice: 15 ÷ 5

StepCalculationRemaining
115 - 5 = 1010
210 - 5 = 55
35 - 5 = 00

We subtracted 5 THREE times. So 15 ÷ 5 = 3.


Division Notation

Different Ways to Write Division

  • 12 ÷ 4 = 3
  • 12 / 4 = 3
    1. 12 (3

Parts of Division

TermMeaningExample
DividendThe number being divided12
DivisorThe number we are dividing by4
QuotientThe answer3

In 12 ÷ 4 = 3:

  • 12 is the DIVIDEND
  • 4 is the DIVISOR
  • 3 is the QUOTIENT

Relationship with Multiplication

Division and Multiplication are OPPOSITE operations (they are INVERSE of each other).

Fact Families

If 3 × 4 = 12, then:

  • 12 ÷ 3 = 4
  • 12 ÷ 4 = 3

More Fact Families

MultiplicationDivision (1)Division (2)
2 × 5 = 1010 ÷ 2 = 510 ÷ 5 = 2
4 × 3 = 1212 ÷ 4 = 312 ÷ 3 = 4
5 × 6 = 3030 ÷ 5 = 630 ÷ 6 = 5
7 × 2 = 1414 ÷ 7 = 214 ÷ 2 = 7
8 × 4 = 3232 ÷ 8 = 432 ÷ 4 = 8

Key Rule: To check division, MULTIPLY the quotient by the divisor. You should get the dividend.


Division Tables (1 to 10)

TableDivisions
22÷2=1, 4÷2=2, 6÷2=3, 8÷2=4, 10÷2=5, 12÷2=6, 14÷2=7, 16÷2=8, 18÷2=9, 20÷2=10
33÷3=1, 6÷3=2, 9÷3=3, 12÷3=4, 15÷3=5, 18÷3=6, 21÷3=7, 24÷3=8, 27÷3=9, 30÷3=10
44÷4=1, 8÷4=2, 12÷4=3, 16÷4=4, 20÷4=5, 24÷4=6, 28÷4=7, 32÷4=8, 36÷4=9, 40÷4=10
55÷5=1, 10÷5=2, 15÷5=3, 20÷5=4, 25÷5=5, 30÷5=6, 35÷5=7, 40÷5=8, 45÷5=9, 50÷5=10
1010÷10=1, 20÷10=2, 30÷10=3, 40÷10=4, 50÷10=5, 60÷10=6, 70÷10=7, 80÷10=8, 90÷10=9, 100÷10=10

Word Problems

Problem 1: Sharing Mangoes

A farmer has 24 mangoes. He puts them equally into 6 baskets. How many mangoes in each basket?

Solution: 24 ÷ 6 = 4 mangoes per basket

Problem 2: Team Formation

There are 30 students in a class. The teacher divides them into groups of 5. How many groups?

Solution: 30 ÷ 5 = 6 groups

Problem 3: Pencil Distribution

A pack has 12 pencils. Riya wants to share them equally among 3 friends and herself (4 people). How many pencils does each get?

Solution: 12 ÷ 4 = 3 pencils each

Problem 4: Bus Seats

A school bus has 40 seats. Each bench seats 2 students. How many benches?

Solution: 40 ÷ 2 = 20 benches

Problem 5: Biscuits

A packet of biscuits has 18 biscuits. Ravi eats 3 biscuits each day. How many days will the packet last?

Solution: 18 ÷ 3 = 6 days

Problem 6: Plant Saplings

A gardener has 36 saplings. He plants them in rows of 6. How many rows?

Solution: 36 ÷ 6 = 6 rows


Division with Remainder

Sometimes division does NOT work out exactly. We get a REMAINDER.

Example: 13 ÷ 4

Think: How many groups of 4 in 13?

  • 4 × 3 = 12 (3 groups of 4 = 12)
  • 13 - 12 = 1 (1 left over)

13 ÷ 4 = 3 remainder 1

Example: 17 ÷ 5

Think: How many groups of 5 in 17?

  • 5 × 3 = 15 (3 groups of 5 = 15)
  • 17 - 15 = 2 (2 left over)

17 ÷ 5 = 3 remainder 2


Common Mistakes

  1. '12 ÷ 3 = 36.' — No! 12 ÷ 3 = 4. You are thinking of 12 × 3 = 36. Division is OPPOSITE of multiplication.

  2. 'Division is always exact.' — Not always! Sometimes there is a REMAINDER. 13 ÷ 4 = 3 remainder 1.

  3. '12 ÷ 4 means 12 groups of 4.' — No! It means 12 SHARED among 4 groups. Each group gets 3.

  4. 'You can divide any number by 0.' — No! You can NEVER divide by 0. It is not defined in mathematics.

  5. 'Division and subtraction are not related.' — Division IS repeated subtraction! 12 ÷ 4 means 'how many times can I subtract 4 from 12?'


Quick Self-Test

Q1: What is 20 ÷ 4? A1: 5.

Q2: Share 15 sweets equally among 5 children. How many each? A2: 15 ÷ 5 = 3 sweets each.

Q3: If 6 × 3 = 18, what is 18 ÷ 6? A3: 3.

Q4: There are 24 students. They sit in rows of 4. How many rows? A4: 24 ÷ 4 = 6 rows.

Q5: What is 14 ÷ 3? (Write with remainder if needed) A5: 14 ÷ 3 = 4 remainder 2.

Q6: 30 marbles shared among 5 friends. Each gets how many? A6: 30 ÷ 5 = 6 marbles each.

Q7: What is the DIVIDEND in 20 ÷ 4 = 5? A7: 20 (the number being divided).

Q8: A baker has 28 buns. He puts 7 buns on each tray. How many trays? A8: 28 ÷ 7 = 4 trays.

Key formulas & results

Everything you need to memorise, in one card. Screenshot this for revision.

Division as equal sharing
Total ÷ Number of groups = Amount per group. Example: 12 sweets ÷ 4 children = 3 sweets each. Check: 4 groups of 3 = 4 × 3 = 12 ✓
Draw circles (groups) and distribute dots (items) one by one. This physical 'dealing' makes division concrete.
Division as repeated subtraction
20 ÷ 5 = ? How many times can we subtract 5 from 20? 20−5=15, 15−5=10, 10−5=5, 5−5=0. We subtracted 4 times → 20 ÷ 5 = 4. OR: 20 × table of 5: 5×1=5, 5×2=10, 5×3=15, 5×4=20 → 4 times.
Repeated subtraction is division in slow motion. It shows WHY division works the way it does.
Division as inverse of multiplication
If you know 4 × 3 = 12, then you ALSO know 12 ÷ 3 = 4 AND 12 ÷ 4 = 3. Multiplication and division are opposite operations — they 'undo' each other.
This is the FASTEST way to divide: think '3 × ? = 12' or 'what number times 3 gives 12?' → 4.
Remainder (intuitive)
14 ÷ 4 = 3 remainder 2. Because 4×3=12, and 14−12=2 left over. Not all numbers divide perfectly. The remainder must be LESS than the divisor.
At Class 3 level, remainders are introduced as 'left over'. Formal remainder notation comes in Class 4.
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Common mistakes & fixes

These are the exact errors that cost students marks in board exams. Read them once, save yourself the trouble.

WATCH OUT
Reading 12 ÷ 4 as '12 divided into 4 equal groups' but giving answer as '4 each' instead of '3 each'
12 ÷ 4 means 12 things shared among 4. Think: if I have 12 sweets and 4 friends, each friend gets 3. Draw 4 circles, distribute sweets one by one — you'll put 3 in each.
WATCH OUT
Confusing 12 ÷ 3 and 3 ÷ 12
12 ÷ 3 = 4 (12 shared among 3). 3 ÷ 12 gives a fraction (less than 1) — not taught at this level. Always: bigger number ÷ smaller number at Class 3 level.
WATCH OUT
Forgetting that the remainder must be LESS than the divisor
17 ÷ 3: 3×5=15, remainder=2 (2 < 3 ✓). If you get remainder 5, you can take out another group of 3: 3×6=18 (too big, go back to 5 with remainder 2).

Practice problems

Try each one yourself before tapping "Show solution". Active recall > rereading.

Q1EASY· Sharing
18 chocolates are shared equally among 6 children. How many does each get?
Show solution
18 ÷ 6 = 3 chocolates each. (Check: 6 × 3 = 18 ✓)
Q2EASY· Inverse
If 5 × 4 = 20, what is 20 ÷ 5?
Show solution
20 ÷ 5 = 4. (Division undoes multiplication: if 5 groups of 4 = 20, then 20 shared among 5 = 4 each.)
Q3EASY· Rows
24 students are sitting in 4 equal rows. How many students are in each row?
Show solution
24 ÷ 4 = 6 students in each row.
Q4EASY· Money
Riya has ₹30. She wants to buy pencils that cost ₹5 each. How many pencils can she buy?
Show solution
30 ÷ 5 = 6 pencils. (Check: 6 × 5 = ₹30 ✓)
Q5MEDIUM· Remainder
14 marbles are shared equally among 4 children. How many does each get, and how many are left over?
Show solution
14 ÷ 4: 4×3=12 (each gets 3), remainder = 14−12 = 2 marbles left over. Each child gets 3 marbles, 2 marbles remain.

5-minute revision

The whole chapter, distilled. Read this the night before the exam.

  • Division = sharing equally. 12 ÷ 4 = 3 (12 things shared among 4 people, each gets 3)
  • Division is the opposite of multiplication: if 4 × 3 = 12, then 12 ÷ 3 = 4 and 12 ÷ 4 = 3
  • Division can be done as repeated subtraction: 20 ÷ 5 = subtract 5 repeatedly until 0 → 4 subtractions
  • To divide, think: 'How many times does this number fit into that number?' Use multiplication tables
  • Remainder: when sharing isn't exact. 14 ÷ 4 = 3 remainder 2 (2 left over). Remainder < divisor
  • Always verify: (divisor × quotient) + remainder = original number

CBSE marks blueprint

Where the marks come from in this chapter — so you can plan your prep.

Typical chapter weightage: 6–8 marks in Class 3 Mathematics assessment

Question typeMarks eachTypical countWhat it tests
Direct division (1 mark each)12Simple division facts (using tables); completing division from given multiplication fact
Word problem (2 marks each)22–3Equal sharing — sweets, money, students in rows; division with simple remainders
Prep strategy
  • Use physical objects: distribute 12 buttons/chocolates among 4 plates — division is literally 'sharing'
  • Practice fact families: write all 4 facts — 3×6=18, 6×3=18, 18÷3=6, 18÷6=3
  • Real-life division: 'We have ₹100. If each samosa costs ₹10, how many can we buy?'
  • For every division problem, always check with multiplication: answer × divisor = original number (+ remainder if any)
  • Use skip counting to divide: 20 ÷ 5 = count by 5s: 5, 10, 15, 20 → 4 counts → answer is 4
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Last reviewed on 30 May 2026. Written and reviewed by subject-matter experts — read about our process.
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