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MathematicsAlgebraAges 11–13

Expanding Single Brackets

Expand (multiply out) a single term over a bracket using the distributive property, e.g., 3(2x + 5) = 6x + 15; expand expressions involving negative multipliers

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Multiply every term in one bracket. Keep each sign, then collect like terms.

Multiply every term in one bracket. Keep each sign, then collect like terms.

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Illustrative Mathematics · Practice link — not the full lesson

Peyton and Presley Discuss Addition

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Before you open · source notes

Peyton and Presley Discuss Addition supports expanding single brackets. Not every worksheet pack.

Free, no sign-in. A teacher solution is on the same page, so use the student view with your child.

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Ask the learner to explain one step of “Peyton and Presley Discuss Addition” in their own words.

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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. “Peyton and Presley Discuss Addition.” 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

  • Multiply a single positive term over a bracket to expand the expression
  • Multiply a negative term over a bracket, correctly handling signs
  • Combine expanding brackets with collecting like terms to simplify fully
“Can your child expand a bracket like 3(2x + 5) by multiplying everything inside, to get 6x + 15?”

Curriculum record

Type
Procedural
Subject
Mathematics
Domain
Algebra
Age range
Ages 11–13

Standards

ccss-math:6.EE.3ccss-math:7.EE.1uk-nc-2013:KS3.Maths.Alg.4b