Mathematics Algebra Representational 11–13 yrs

Algebraic Transformations

代数变换

Description

Model situations or procedures by translating them into algebraic expressions or formulae and by using graphs; move between word problems, algebraic representations, tables, and graphical representations

Mastery Evidence

✓ Translate a word problem or real-world situation into an algebraic expression or formula
✓ Construct a table of values from an algebraic rule
✓ Plot the corresponding graph and interpret it in the context of the problem

Assessment Prompt

Can your child take a real-world situation — like a taxi that charges £2 plus £1.50 per mile — and write an algebraic formula for the total cost, then sketch what the graph looks like?