Algebraic Notation
Use and interpret algebraic notation including: ab for a × b, 3y for y + y + y, a² for a × a, a/b for a ÷ b, coefficients as fractions, and brackets for grouping; read and write algebraic expressions fluently
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Read and write algebraic shorthand for products, powers, quotients, fractional coefficients and grouped sums.
Read and write algebraic shorthand for products, powers, quotients, fractional coefficients and grouped sums.
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Learning resources
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Illustrative Mathematics · Practice link — not the full lesson
Finding an unknown angle
Before you open · source notes
Finding an unknown angle supports algebraic notation. Not every worksheet pack.
Free, no sign-in. A teacher solution is on the same page, so use the student view with your child.
Before you openAsk the learner to explain one step of “Finding an unknown angle” in their own words.
Opening this link does not save learning or assess mastery.
Source, access and review notes
Public Illustrative Mathematics task page. The .html address responds HTTP 308 to this URL. An anonymous GET of this URL on 2026-11-12 returned HTTP 200 with no login or payment prompt. Where a teacher solution is present, it is on the same page as the student task; this check did not find a separate locked student view. An adult can use the student view section and should not read a solution aloud. Advertising was not observed in the fetched HTML text; that is not a browser, device, or ad-free guarantee. This is a paper or discussion task, not an automatically marked interactive game. Opening the link does not save practice or assess mastery. Diagrams on the page use missing or filename-only alt text, so they are not an accessible image equivalent. Accessibility still depends on an adult describing the picture.
Illustrative Mathematics. “Finding an unknown angle.” Licensed CC BY-NC-SA 4.0. External task; Gakuva does not copy, host, embed, or redistribute it.
CC BY-NC-SA 4.0 — link only
Check understanding
- Read and interpret expressions using standard algebraic conventions for multiplication, division, and powers
- Write algebraic expressions from word descriptions using correct notation
- Understand that juxtaposition means multiplication and that a/b means a divided by b
“When your child sees something written as "3y" or "a²" in a maths problem, do they know what those shorthand notations mean and can they work with them?”
Curriculum record
- Type
- Language
- Subject
- Mathematics
- Domain
- Algebra
- Age range
- Ages 11–13
Standards