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Example 9 - Chapter 2 Class 7 - Arithmetic Expressions (Ganita Prakash)
Last updated at August 10, 2026 by Teachoo
Writing expressions from story
Class 7 (Ganita Prakash 1, 2 & old NCERT)
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 9 Raghu bought 100 kg of rice from the wholesale market and packed them into 2 kg packets. He already had four 2 kg packets. Write an expression for the number of 2 kg packets of rice he has now and identify the terms.Total rice bought = 100 kg Rice in 1 packet = 2kg Number of packets he already had = 4 Total number of packets needed for 100 kg rice = (𝑇𝑜𝑡𝑎𝑙 𝑟𝑖𝑐𝑒 𝑛𝑒𝑒𝑑𝑒𝑑)/(𝑅𝑖𝑐𝑒 𝑖𝑛 1 𝑝𝑎𝑐𝑘𝑒𝑡) = 100/2 = 100 ÷ 2 Number of packets he has now = Total packets for 100 kgs + Packets he already had = 100 ÷ 2 + 4
