Pythagorean Theorem
8th Grade
•30 Qs
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Pythagorean Theorem
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
+3
Standards-aligned
Kayleen Roach
Used 2K+ times
FREE Resource
About this resource
This quiz focuses on the Pythagorean Theorem, a fundamental geometric concept typically taught in 8th grade mathematics. Students must understand that this theorem applies exclusively to right triangles and establishes the relationship a² + b² = c², where c represents the hypotenuse (the longest side opposite the right angle) and a and b represent the legs. The questions assess multiple layers of understanding: conceptual knowledge about when and how to apply the theorem, procedural fluency in calculating missing side lengths, and the ability to determine whether given side lengths form a right triangle. Students need solid skills in squaring numbers, finding square roots, and algebraic manipulation to solve for unknown variables. The quiz also includes real-world applications such as finding diagonal distances across rectangles, ladder problems, and navigation scenarios that require students to visualize right triangle relationships in practical contexts. Created by Kayleen Roach, a Mathematics teacher in the US who teaches grade 8. This quiz serves as an excellent tool for formative assessment, allowing teachers to gauge student understanding of both the conceptual foundations and computational applications of the Pythagorean Theorem. It works well as a comprehensive review before summative assessments, homework practice to reinforce classroom learning, or a warm-up activity to activate prior knowledge. The variety of question types—from basic side length calculations to identifying hypotenuses and solving word problems—makes it particularly valuable for differentiating instruction and identifying specific areas where students need additional support. This assessment aligns with Common Core standard 8.G.B.7, which requires students to apply the Pythagorean Theorem to determine unknown side lengths in right triangles and to solve real-world mathematical problems involving right triangles.
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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the length of the missing side.
17 cm
22 cm
15 cm
13 cm
Tags
CCSS.8.G.B.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the length of the missing side.
25 cm
42 cm
52 cm
48 cm
Tags
CCSS.8.G.B.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Pythagorean Theorem ONLY works on which triangle?
Tags
CCSS.8.G.B.8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the opposite of squaring a number?
Tags
CCSS.8.EE.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Side a on a right triangle is ALWAYS the longest side.
Tags
CCSS.HSG.SRT.C.8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You ADD a2 and c2 then take the square root of that SUM to find b on a right triangle.
true
false
Tags
CCSS.8.G.B.8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
you ADD a2 and b2 then take the square root to find c on a right triangle.
Tags
CCSS.8.G.B.8
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