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Example 10 - Chapter 2 Class 7 - Arithmetic Expressions (Ganita Prakash)
Last updated at May 26, 2025 by Teachoo
Writing expressions from story
Class 7 (Ganit Prakash)
Chapter 2 Class 7 - Arithmetic Expressions (Ganita Prakash)
- Simple Expressions
- Comparing Expressions
- Comparing Expressions without fully calculating
- Reading and Evaluating Complex Expressions
- Terms in Expressions
- Swapping and Grouping (Commutative & Associative Properties)
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Writing expressions from story
- Figure it out - Page 34
- Removing Brackets - I
- Tinker the Terms - I
- Removing Brackets - II
- Tinker the Terms - II
- Figure it out (Page 41, 42)
- Figure it out (Page 42, 43, 44)
Transcript
Example 10 Kannan has to pay ₹432 to a shopkeeper using coins of ₹1 and ₹5, and notes of ₹10, ₹20, ₹50 and ₹100. How can he do it? To do it, he has to use biggest note first, then smaller So, he uses 4 notes of ₹100, 0 notes of ₹50, 1 notes of ₹20, 1 notes of ₹10, 0 notes of ₹5, 2 notes of ₹1, So, our expression is 4 × 100 + 0 × 50 + 1 × 20 + 1 × 10 + 0 × 5 + 2 × 1 Or 4 × 100 + 1 × 20 + 1 × 10 + 2 × 1
