Q1
How do we write 'a number increased by 5'?
Ax + 5
Bx - 5
C5x
Dx/5
ICSEClass 6 (ICSE)MathematicsCh 21 · Topic 2
Practice and Revision - Framing Algebraic Expressions
Let us practise and revise what we learned about framing algebraic expressions. Framing algebraic expressions means translating word phrases
Core concept
Phrases like 'a number increased by 5' translate to the expression x + 5, using a variable for the unknown number.
How it works
'Twice a number' becomes 2x, and 'a number decreased by 3' becomes x - 3, showing how words become expressions.
Why it matters
Careful reading is essential to correctly identify the operation (addition, subtraction, multiplication, division) needed.
Key detail
Practising framing expressions helps us translate real-world word problems into solvable algebraic forms.
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Quick notes
• Framing expressions translates words to algebra.
• 'A number increased by 5' becomes x + 5.
• 'Twice a number' becomes 2x.
• 'A number decreased by 3' becomes x - 3.
• Careful reading identifies the right operation.
• This connects word problems to algebra.
• Practice builds translation skills.
• This is essential for solving word problems.