Ratio and proportion · अनुपात और समानुपात
12 : 18 = ? Share ₹500 in the ratio 2 : 3.
Ratio and proportion games
Ratio and proportion
- A ratio compares two quantities of the same kind: 12 boys and 18 girls → 12 : 18 = 2 : 3 (divide by the HCF 6).
- To divide in a ratio a : b, add the parts (a + b), find one part, then multiply.
- Four numbers are in proportion if a : b = c : d, i.e. a × d = b × c.
- Unitary method: find the value of one, then of many.
For Class 6 to 8. All answers are computed by a program.
A one-page chart to stick on the wall, and a worksheet to practise.
Ratio and proportion
Ratio and proportion
- A ratio compares two quantities of the same kind: 12 boys and 18 girls → 12 : 18 = 2 : 3 (divide by the HCF 6).
- To divide in a ratio a : b, add the parts (a + b), find one part, then multiply.
- Four numbers are in proportion if a : b = c : d, i.e. a × d = b × c.
- Unitary method: find the value of one, then of many.
kheloaurseekho.in — free charts, games and worksheets
Ratio — worksheet
Name: ____________________ Class: ______ Date: __________
1. Simplest form: 15 : 25 = ____ 36 : 48 = ____
2. Divide ₹720 in the ratio 5 : 3: ____ and ____
3. Are 4, 6, 10, 15 in proportion? ____
4. 6 notebooks cost ₹180. Cost of 10 notebooks = ____
kheloaurseekho.in — free charts, games and worksheets
