Triangle Inequality
Students learn to decide whether three side lengths can form a triangle and find the possible range.
About this skill sheet
Triangle Inequality helps 7th graders decide whether three given side lengths can form a triangle and find the range of possible third sides. Aligned to CCSS 7.G.A.2, the sheet moves from a reference page through guided practice testing side-length sets to real-world application and a short assessment.
What is inside
Every 4-in-1 Skill Sheet moves a student through four phases on a single printable: a color Reference page to keep, scaffolded Practice from guided notes to sixteen sequenced problems, real-world Apply problems, and an Assess exit ticket with a full answer key. A ten-slide editable teacher deck with speaker notes is included.
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