Mathematics
Algebra
Representational
10–11 yrs
Writing Algebraic Equations
列代数方程
Description
Express missing number problems algebraically using letters for unknowns; translate word problems into equations
Mastery Evidence
- Write 'I think of a number, double it, and add 5 to get 17' as 2n + 5 = 17
- Solve a one-step equation such as 3x = 24 and explain the reasoning
- Express a word problem as an algebraic equation and find the unknown value
Assessment Prompt
If your child reads "I think of a number, double it, and add 5 to get 17," can they write that as an equation using a letter for the unknown and solve it?