Parallel Lines Project
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Christmas Triangular & Tetrahedral Numbers | Math Patterns Project I Grades 6-9
Teachers often struggle to maintain student engagement and academic rigor as the winter holidays approach. How can you combine festive fun with deep mathematical exploration for your 6th, 7th, 8th, and 9th grade students? Unwrap the magic of mathematics this winter season with the Christmas Math Project Triangular Tetrahedral Numbers Pattern Discovery Grades 6-9. This no-prep, project-based resource is your perfect solution for keeping middle and early high school students captivated while deve
6th - 9th
Algebra, Numbers, PreCalculus
CCSS
6.EE.C.9
, 7.EE.B.4
, 8.F.B.4
+1
Compound Inequalities Review Notes & Worksheets - 6th, 7th, 8th Grade Math
Teach and practice compound inequalities with these notes and interactive worksheets resource! Includes guided notes with teacher directions and 270 scaffolding exercises across multiple levels with answer keys. Help your students build confidence with compound inequalities using this versatile set designed for 7th to 10th grade math. This resource combines explanations with scaffolded practice problems that progress from easy to hard. Students will solve compound inequalities involving inte
7th - 10th
Algebra, Algebra 2, PreCalculus
CCSS
HSA-REI.B.3
, HSA-REI.D.10
Pi Day Geometry Activity | Archimedes, Polygons & Trigonometry I Grades 8–10
Stop Teaching 3.14. Start Proving Where It Comes From.This advanced Pi investigation goes beyond measuring. Students calculate. Justify. Prove. Designed for Grades 8–10, this activity transforms Archimedes’ method into a rigorous geometry lab. • Students approximate π using inscribed and circumscribed polygons. • They apply the Pythagorean Theorem and the Law of Cosines. • They compare measured and calculated values. • They explain why accuracy improves with more sides. This is not a craft.
8th - 10th
Geometry, Measurement, PreCalculus
CCSS
8.G.B.6
, 8.G.B.7
, HSF-TF.A.3
+1
How Tall Is It? — MYP Mathematics Field Activity | Similar Triangles & Trig
A 75-90 minute outdoor field activity for MYP Mathematics students covering similar triangles and trigonometry (angle of elevation). Students choose a tall object nearby, then find its height twice — once using the mirror method (similar triangles) and once using a clinometer app (trigonometry). They record measurements on labelled diagrams, show full working, and compare both results with a structured reflection. What's included: 6-page print-ready PDF When to use it: After teaching both simila
8th - 10th
Geometry, Measurement, PreCalculus
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