Class 7 Math: Fractions and Decimals Quick Revision Chapter Summary

Need to review the entire chapter before a test? This quick revision guide summarizes all the core concepts, topics, and equations taught in Class 7 Fractions and Decimals to help you refresh your memory instantly.

Core Topics At a Glance

### 📌 Multiplication of fractions Multiplying fractions is multiplying the numerators together and multiplying the denominators together.

### 📌 Fraction division and reciprocals To divide by a fraction, multiply the first fraction by the reciprocal (flipped version) of the second fraction.

### 📌 Decimal multiplication by 10, 100, 1000 Multiplying a decimal by 10, 100, or 1000 is done by shifting the decimal point to the right by as many places as there are zeroes.

### 📌 Decimal division algorithms Dividing decimals by shifting the decimal points to make the divisor a whole number, or dividing by 10/100/1000 by shifting decimal points to the left.

Key Formulas Mind Map

• Fraction Division Reciprocal: `\frac{a}{b} \div \frac{c}{d} = \frac{ad}{bc}` - Multiplies dividend by reciprocal divisor....

Revision Checklist

1. Review the subtopic guides and outline notes.
2. Practice writing the key formulas from memory.
3. Solve at least 3 worked examples and check your steps.
4. Take a timed practice quiz to verify your speed.