Test
Writing geometry proofs
Students practice constructing and organizing geometry proofs using two-column formats, focusing on logical reasoning and valid justifications. They answer questions about proof purpose, sequencing steps, and appropriate reasons to strengthen their understanding of logical argumentation in geometry.
By Edform · Mathematics · Grade 10 · Published Oct 15, 2026 · New
A copy is added to your account. Change it however you like.
Questions
- Which of the following best describes the purpose of a two-column proof in geometry?
- Put the steps of a two-column proof in the correct order.
- Which of the following can be used as valid reasons in a two-column proof? Select all that apply.
- Complete the sentence: In a two-column proof, each statement must have a corresponding ___.
- Match each geometry term to its correct definition.
More like this
Worksheet
Geometry proofs practice
A 10th-grade geometry practice material focused on two-column proofs, involving identifying valid reasons for congruences, arranging proof steps correctly, and completing reasoning statements concerning triangle congruence and CPCTC.
Mathematics · Grade 10 · New · Oct 15, 2026
Test
Geometry proofs test
This geometry proofs test helps 10th grade students practice constructing and analyzing proofs related to congruence and similarity, focusing on postulates and properties. Questions include identifying valid reasons for congruence and similarity, as well as understanding key properties like the reflexive property.
Mathematics · Grade 10 · New · Oct 15, 2026
Lesson
Triangle congruence
Students practise triangle congruence by identifying which congruence criteria apply, spotting which information is insufficient, and arranging proof steps. Work uses criteria for corresponding sides/angles with examples and non-examples, level 9th grade.
Mathematics · Grade 9 · New · Oct 28, 2026
Worksheet
Triangle congruence practice
Students practice identifying and applying triangle congruence criteria such as SSS, SAS, ASA, AAS, and HL through multiple-choice questions, matching exercises, and ordering tasks to develop understanding of when two triangles are congruent at the 9th-grade level.
Mathematics · Grade 9 · New · Oct 15, 2026
Lesson
Classifying shapes by their properties
Students practise classifying triangles and quadrilaterals by properties, including a shape-hierarchy ordering from broadest to most specific. They answer true/false and choose-the-correct-statement questions, then match each triangle description to its defining property. Level: 5th grade.
Mathematics · Grade 5 · New · Oct 28, 2026
Worksheet
Similar triangles practice
This 10th-grade classroom material helps students practice identifying similarity criteria (AA, SAS, SSS), understand proportions, and apply logical reasoning through multiple-choice questions, step arrangement tasks, and matching exercises to deepen their understanding of similar triangles.
Mathematics · Grade 10 · New · Oct 15, 2026