CBSE Class 3 · Mathematics
The Surajkund Fair
Official NCERT chapter from Maths Mela (book code cemm1). ExamMaster notes are original teaching at CBSE Class 3 depth.
This lesson follows the official chapter “The Surajkund Fair” in Maths Mela. The words below are ExamMaster’s teaching, not a paste from the book. Use the NCERT chapter for the classroom sequence; use these notes to hold the idea without copying exercises or figures.
- CBSE Class 3
- Easy level
- 8 concepts
1A fair stall has prices in rupees
A tag that says $40 is a value, not a count of four toys. Read rupees first.
A stall name is the setting. The price is the number you compute with.
Figure. A stall tag is a rupee value. Rs 40 names forty rupees, not four toys on the cloth.
How it works
- Find the tagA rupee amount.
- Read it as valueNot as “how many items”.
- Write $ with the numberSo it stays a value.
2Add values, not the count of coins
A $10 note and a $5 coin make $15, not 2. Values add; objects-as-count is a different question.
Two coins can be less money than one note.
Figure. A Rs 10 note and a Rs 5 coin make Rs 15. Counting two pieces instead of the prints is the miss.
How it works
- List each valuePrint on the note or coin.
- Add those printsRupees + rupees.
- Ignore “how many pieces” unless askedPiece-count is another pile.
3A purse minus a spend is the change
Purse $50, spend $32, change $18. Change is what remains, not a new stall.
If the purse is smaller than the spend, you are short — that is not change.
Figure. Change is what remains when the purse is larger than the spend. Purse Rs 80, kite Rs 45, change Rs 35.
How it works
- Write the purseStart value.
- Write the spendWhat left.
- Subtract if purse is enoughThat remainder is change.
Change at a stall
A purse holds $80. A kite costs $45. What change is due?
- Purse$80
- Spend$45
- Change$80 − $45 = $35
Pro tip. Change is purse minus spend when the purse is enough.
4Compare two stalls’ totals
Stall A $70 and stall B $55: A costs more. Compare values, not how many things sit on the cloth.
A stall with more toys can still cost less.
Figure. Compare the rupee totals, not how many things sit on the cloth. Stall A at Rs 70 costs more than stall B at Rs 55.
How it works
- Total each stallSum of its tags.
- Compare those totalsMore, less, or the same.
- Do not count objects insteadValue, not pile-size.
5A rate: cost of one, then many
If one bangle is $12, three bangles are $36 if the rate stays. Multiply or add the same value three times.
A bargain that changes the rate needs a new tag. Do not keep $12 if the tag changed.
Figure. If one bangle is Rs 12 and the rate stays, three bangles are three copies of that value: 12 + 12 + 12 = 36.
How it works
- Read the one-price$12 each.
- Count how many3.
- Repeat the value that many times3 × 12 = 36.
6Notes and coins are the same rupee
A $10 note and two $5 coins are the same value as one another. Paper or metal does not change the rupee.
“Notes are more money” is false if the prints differ.
Figure. Paper or metal does not change the rupee. One Rs 10 note equals two Rs 5 coins.
How it works
- Read each printThe number.
- Add printsSame rupee unit.
- Ignore paper vs metalThe print is the value.
7Enough, short, or change due
Purse against spend: enough with change, exactly enough, or short. Those are three compare-words.
Do not say “change” when you are short.
Figure. Purse against spend has three words: change when the purse is larger, exact when they match, short when the purse is smaller. Do not say change when you are short.
How it works
- Compare purse and spendWhich is larger?
- Purse largerChange due.
- Purse smallerShort — you cannot buy without more rupees.
8The Haryana fair is the story; the arithmetic is the value count
Surajkund is the picture. Plus, minus, and compare of rupees are ordinary value-arithmetic.
Do not invent a fair-only plus.
Figure. Surajkund is the setting. Plus and minus of rupees are ordinary school arithmetic — there is no fair-only plus.
How it works
- Keep the settingA fair.
- Compute on valuesRupees.
- Use school + and −The fair does not change the rules.
A $10 note plus a $5 coin is
- $15 of value
- 2 of money
- 15 coins
Add prints. Piece-count is a different question.
Notes
- The official chapter title is “The Surajkund Fair”. Teach the school test for that title, not a contest shortcut.
- If a step needs a later class, stop. The next official chapter will pick it up.
Formulas
- Value of a pile = sum of the prints.
- Change = purse - spend (only if purse \ge spend).
- Many at the same rate = (one-price) \times (how many).
Reference tables
Paper or metal does not change the print. Add values.
| Pieces | Prints | Value |
|---|---|---|
| One $10 note | 10 | $10 |
| Two $5 coins | 5 + 5 | $10 |
| One $10 + one $5 | 10 + 5 | $15 |
Recap
Hold these pegs from the official chapter “The Surajkund Fair”. The wording is ExamMaster’s teaching, not a textbook recap.
- A fair stall has prices in rupees
- A tag that says \40 is a value, not a count of four toys.
- Add values, not the count of coins
- A \10 note and a \5 coin make \15, not 2. Values add; objects-as-count is a different question.
- A purse minus a spend is the change
- Purse \50, spend \32, change \18. Change is what remains, not a new stall.
- Compare two stalls’ totals
- Stall A \70 and stall B \55: A costs more.
- A rate: cost of one, then many
- If one bangle is \12, three bangles are \36 if the rate stays.
- Notes and coins are the same rupee
- A \10 note and two \5 coins are the same value as one another.
Practise The Surajkund Fair
Reading is free and needs no account. Practice, mocks and progress live in the app.
- A 4-question practice set that ends the chapter
- 1 quick check with worked explanations
- Timed mocks scored with the real marking scheme
- Readiness tracked per topic, kept on your device