Chapter 1 (Samacheer Kalvi) · Class 8 TN Board · Formula Sheet

Numbers (எண்கள்) Formulas — Class 8 TN Board

Rational numbers, squares, square roots, cubes, cube roots, and exponents.

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Worked Examples

1Using: Place Value

Find the place value of 6 in 3,65,421.

Step 1: 6 is in the ten-thousands place.

Step 2: Place value = 6 x 10,000 = 60,000.

Answer: 60,000

2Using: Successor

Find the successor of 9,999.

Step 1: Successor = n + 1

Step 2: = 9,999 + 1 = 10,000.

Answer: 10,000

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More Class 8 TN Board Formulas

Measurements (அளவீடுகள்)Algebra (இயற்கணிதம்)Geometry (வடிவியல்)Statistics (புள்ளியியல்)Information Processing (தகவல் செயலாக்கம்)Life Mathematics (வாழ்வியல் கணிதம்)

Frequently Asked Questions

How many formulas are in Class 8 TN Board Numbers (எண்கள்)?+
There are several key formulas in the Numbers (எண்கள்) chapter for Class 8 TN Board. Each formula is essential for solving problems in this topic.
How to remember Numbers (எண்கள்) formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Numbers (எண்கள்) formulas enough for exams?+
Yes, these formulas cover the complete TN Board Class 8 syllabus for Numbers (எண்கள்). Practice applying them to different types of questions for full exam readiness.

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