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Example 8 - Chapter 2 Class 7 - Arithmetic Expressions (Ganita Prakash)
Last updated at May 27, 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 8 Children in a class are playing “Fire in the mountain, run, run, run!”. Whenever the teacher calls out a number, students are supposed to arrange themselves in groups of that number. Whoever is not part of the announced group size, is out. Ruby wanted to rest and sat on one side. The other 33 students were playing the game in the class. The teacher called out ‘5’. For group of 5 Example 8 Children in a class are playing “Fire in the mountain, run, run, run!”. Whenever the teacher calls out a number, students are supposed to arrange themselves in groups of that number. Whoever is not part of the announced group size, is out. Ruby wanted to rest and sat on one side. The other 33 students were playing the game in the class. The teacher called out ‘5’. 33 people, divided into groups of 5 So, we express it as 5 × 6 + 3 33 people, divided into groups of 4 So, we express it as 4 × 8 + 1 33 people, divided into groups of 7 So, we express it as 7 × 4 + 5
