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Types of angles worksheet (with solutions)

Types of angles worksheet (with solutions)

Subject: Mathematics

Age range: 11-14

Resource type: Worksheet/Activity

Last updated

11 August 2026

docx, 88.05 KB
docx, 88.05 KB

A worksheet on classifying angles as right, straight, acute, obtuse or reflex. Solutions are included.

Get this resource as part of a bundle and save up to 45%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

Angle Relationships, Parallel Lines & Triangles Geometry Bundle | GCSE 9-1

A collection of 6 worksheets on angles, lines and triangles based on the GCSE 9-1 specification. The following worksheets are included: * Types of angles * Complementary, supplementary and opposite angles * Angles in parallel lines * Sum of angles in a triangle * Exterior Angles of a Triangle * Isosceles, Equilateral and Right-Angled Triangles Detailed solutions are included. Master angle facts and triangle properties with this complete geometry worksheet bundle! Perfectly optimized for KS3 and GCSE 9-1 math revision (Foundation and Higher), this print-and-go pack covers parallel lines, angle types, and multi-step equations with full step-by-step worked solutions. ________________________________________ Looking for a rigorous, print-and-go resource to help your students master angle rules and geometric reasoning? This GCSE 9-1 Angles, Lines and Triangles Worksheet Bundle contains highly structured practice sheets designed to build fluency and algebraic confidence. Moving from basic angle classification to multi-step exam-style equations, this bundle is perfect for formal lessons, independent revision, homework packs, cover work, or intervention groups! Every page includes an uncrowded, student-friendly layout and comes paired with a complete, step-by-step worked solution key showing the exact algebraic workings to solve for \(x\). ________________________________________ **What's Included in This Bundle?** • **Types of Angles & Triangles:** Identification mastery for acute, obtuse, right, straight, and reflex angles, alongside scalene, isosceles, and equilateral properties. • **Complementary, Supplementary & Vertically Opposite Angles:** Multi-step algebraic equations requiring students to set up expressions that add up to 90 or 180 degrees. • **Angles in Parallel Lines:** Clear diagrams focusing on alternate, corresponding, and co-interior/allied angle theorems (using formal geometric reasons). • **Interior & Exterior Angles of Triangles:** Comprehensive practice applying the triangle angle sum theorem (180 degrees) and the exterior angle theorem. ________________________________________ **Perfect For:** • KS3 Maths: Building a strong foundational mastery of basic angle facts and algebraic manipulation. • KS4 / GCSE 9-1 Prep: targeted revision for both Foundation and Higher tier students aiming for maximum marks on geometry questions. • Cover Lessons & Homework: Structured, self-explanatory layout that requires zero preparation from you or a cover teacher. ________________________________________

£4.95
Bundle

Identifying & Classifying Angles and Triangles Geometry Worksheets with Keys

A collection of three worksheets. Two worksheets on classifying angles as right, straight, acute, obtuse or reflex and a worksheet on determining the type of a given triangle with respect to its interior angles (acute-angled, obtuse-angled, right-angled) and with respect to its sides (scalene, isosceles, equilateral). Detailed solutions are included. Master the fundamentals of geometry with this comprehensive, classroom-tested worksheet pack! Designed to guide students seamlessly from basic angle classification to multi-step triangle identification, this resource is perfect for main lessons, homework tasks, retrieval practice, or targeted interventions. **What’s Included:** • **Section 1: Angle Classification** – Students learn to recognize and classify independent angles from numeric degree measurements and precise visual geometric models. Covers acute, obtuse, right, straight, and reflex angles. • **Section 2: Classifying Triangles by Angles** – Structured exercises challenging students to evaluate interior angle properties to determine if a triangle is acute-angled, obtuse-angled, or right-angled. • **Section 3: Classifying Triangles by Sides** – Focused geometry problems where students categorize shapes based on side lengths or given corner properties into scalene, isosceles, or equilateral triangles. • **Full Step-by-Step Solutions Key** – Features complete, fully worked-out solutions for every problem—ideal for easy grading, student self-assessment, or independent study tracking. **Why Teachers Love It:** • **Scaffolded Progression:** Questions scale gracefully from basic recognition to geometric application, keeping high-achievers engaged while supporting lower-ability students. • **Clean, Uncluttered Layout:** Generous spacing around diagrams allows students plenty of room to write equations and show their working directly on the sheet. • **Zero Prep Required: **Simply download, print, and distribute directly to your class. ________________________________________

£2.70

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