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Question 3 (a) - Figure it out - Page 34 - Chapter 2 Class 7 - Arithmetic Expressions (Ganita Prakash)
Last updated at May 26, 2025 by Teachoo
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)
- Writing expressions from story
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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
Question 3 (a) For each of the following situations, write the expression describing the situation, identify its terms and find the value of the expression. (a) Queen Alia gave 100 gold coins to Princess Elsa and 100 gold coins to Princess Anna last year. Princess Elsa used the coins to start a business and doubled her coins. Princess Anna bought jewellery and has only half of the coins left. Write an expression describing how many gold coins Princess Elsa and Princess Anna together have. Let’s do it from a comic Now, let’s write it down also Princess Elsa Initial coins with Princess Elsa = 100 Since she doubled her coins Final coins with Princess Elsa = 100 × 2 Princess Anna Initial coins with Princess Elsa = 100 Since she doubled her coins Final coins with Princess Elsa = 100 ÷ 2 Thus, Total coins by Princess Elsa and Anna = 100 × 2 + 100 ÷ 2
