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Algebraic expressions and equations, Linear Equations
Chapter 7
1 h 5 min
Concept: Algebraic expressions
10 min
Concept: Algebraic Expressions vs Equations
8 min
Concept: Add/Subtract algebraic expressions
9 min
Practice: Interpret a word problem and write it in algebraic expressions
11 min
Practice: Expanding and simplifying algebraic expressions
10 min
Application Q: Distance travelled, salary earned, etc
7 min
Application Q: Temperature difference, sum of consecutive numbers, etc
10 min
Worksheet PDF
Answer PDF
Chapter 8
44 min
Concept: Factorise algebraic expressions
8 min
Concept: Factorise by grouping terms
6 min
Concept: Evaluate algebraic expression
2 min
Practice: Factorise algebraic expressions
12 min
Practice: Evaluate algebraic expressions
5 min
Application Q: ABC is a triangle in which AB = 5(2x - 6y)cm...
11 min
Worksheet PDF
Answer PDF
Chapter 9
52 min
Concept: Solving linear equations in one variable
7 min
Concept: Solving fractional equations
3 min
Solving word problem: Model drawing vs Using algebra
6 min
Practice: Solving linear and fractional equations
8 min
Short answer: The sum of 3 consecutive numbers is 201..., and others
11 min
Structured Q: A trekker is planning a trip. He investigates...
10 min
Structured Q: A thin piece of rectangular metal measures...
7 min
Worksheet PDF
Answer PDF