Chapter 1 · Class 6 ICSE · Formula Sheet

Number System Formulas — Class 6 ICSE

Explore natural numbers, whole numbers, and place value concepts up to large numbers.

Key Formulas

Place Value (Indian)

\text{TC, C, TL, L, TTh, Th, H, T, O}

Place Value (International)

\text{B, HM, TM, M, HTh, TTh, Th, H, T, O}

Face Value

\text{The digit itself}

Place Value Formula

\text{Place Value} = \text{Face Value} \times \text{Value of Place}

Expanded Form

4523 = 4 \times 1000 + 5 \times 100 + 2 \times 10 + 3 \times 1

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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Frequently Asked Questions

How many formulas are in Class 6 ICSE Number System?+
There are 5 formulas in the Number System chapter for Class 6 ICSE. Each formula is essential for solving problems in this topic.
How to remember Number System 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 Number System formulas enough for exams?+
Yes, these formulas cover the complete ICSE Class 6 syllabus for Number System. Practice applying them to different types of questions for full exam readiness.

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