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Bracket in expressions
Last updated at May 26, 2025 by Teachoo
Reading and Evaluating Complex Expressions
Class 7 (Ganit Prakash)
Chapter 2 Class 7 - Arithmetic Expressions (Ganita Prakash)
- Simple Expressions
- Comparing Expressions
- Comparing Expressions without fully calculating
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Reading and Evaluating Complex Expressions
- Terms in Expressions
- Swapping and Grouping (Commutative & Associative Properties)
- 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
Bracket in expressions Remember the expression 30 + 5 × 4 Since it is not clear whether to add or multiply first, We use brackets So, our expression becomes 30 + (5 × 4) Let’s calculate it 30 + (5 × 4) = 30 + 20 = 50 So, total marbles are 50 Now, let’s do some questions where we form expressions with brackets
