+
Unit Plan
Mathematics Vision Project

Module 3: Geometric Figures

For Teachers 9th - 12th Standards
It's just not enough to know that something is true. Part of a MVP Geometry unit teaches young mathematicians how to write flow proofs and two-column proofs for conjectures involving lines, angles, and triangles.
+
Activity
101 Questions

Viewmongous TV

For Teachers 6th - 8th Standards
Just how big of a TV do you need?! The task at hand asks individuals to compare the area of 80-inch and 55-inch TVs. The length of the TV is given and learners must use the Pythagorean Theorem to determine the width to calculate the areas.
+
Lesson Plan
Mathematics Assessment Project

Evaluating Statements About Length and Area

For Teachers 9th - 12th Standards
Class members complete an assessment task by identifying whether statements about triangles and quadrilaterals are always true, sometimes true, or never true. They then participate in a sorting activity with the same objective.
+
Worksheet
1
1
PBS

Working with Coordinate Planes: Activities and Supplemental Materials

For Students 5th - 8th Standards
Seven activities make up a collection of supplemental materials to reinforce graphing on a coordinate plane. Worksheet objectives include plotting coordinates within single and four quadrants, measuring straight and diagonal lines, and...
+
Printables
1
1
Houghton Mifflin Harcourt

Unit 5 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Acute angle, line of symmetry, and vertex are a few terms you'll find in a set of 90 flashcards designed to reinforce math vocabulary. Included in the set are two types of cards; a word card printed in bold font, and a definition card...
+
Printables
1
1
Houghton Mifflin Harcourt

Unit 6 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Acute angles, nets, and vertices are only a few terms that a set of flash cards includes. Among the 108 cards, two types are available; word cards printed in bold-faced lettering, and corresponding definition cards equipped with an...
+
Worksheet
Curated OER

Fractions and Rationals

For Students 5th - 8th
Upper elementary and middle schoolers solve 16 types of problems to include writing fractions to represent shaded portions, writing a mixed number to represent certain points on a number line, and changing equivalent mixed numbers to...
+
Worksheet
Curated OER

Similarity: Instructional

For Students 7th - 8th
In this similarity worksheet, students solve and complete 7 different problems that include determining various dimensions of mirrors shown. First, they find the length of the diagonal of the large mirror in the diagram. Then, students...
+
Lesson Plan
Curated OER

A Fibonacci Primer

For Teachers 7th - 10th
Upper graders explore the Fibonacci sequence. They examine the characteristics of the Fibonacci sequence, list the properties of the sequence and determine how it connects to Pythagorean Triples. Related thinking questions are included.
+
PPT
Curated OER

Quadrilaterals - Diagonals

For Teachers 2nd - 4th
Young geometers take a look at a variety of shapes and name each one. All of the shapes are quadrilaterals, and they all have intersecting diagonal lines running through them. This presentation would be good to use as an introduction to...
+
Lesson Plan
Curated OER

Geometry Journal: Isosceles Triangles

For Teachers 10th - 12th
In this isosceles triangles worksheet, students justify and determine the symmetry of an isosceles triangle. They explore the bisector of rectangles. This three-page worksheet contains two problems. Answers are listed on page three.
+
Worksheet
Curated OER

Countdown Challenge: Similarity

For Students 7th - 8th
In this similarity learning exercise, students use similar rectangles to find the length of a diagonal. They use symbols and write paragraphs to explain the problem. This one-page learning exercise contains one similar problem with 13...
+
Lesson Plan
Curated OER

Going out of Business: Pythagorean Theorem

For Teachers 8th - 9th
Students find the length of diagonals.  In this Pythagorean theorem lesson plan, students use the Pythagorean theorem to determine the length of diagonals. 
+
Lesson Plan
Curated OER

Area of Polygons

For Teachers 10th
In this area of polygons worksheet, 10th graders solve and complete 12 various types of problems. First, they find the area of a given square. Then, students find the length of an original square as illustrated. They also write an...
+
Worksheet
Curated OER

Diagonal #4

For Students 1st - 3rd
In this diagonal lines activity, students practice drawing diagonal lines in the middle of parallel diagonal lines. Students draw three diagonal lines.
+
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve 10 different problems that include various right triangles. First, they find the value of a base given its hypotenuse. Then, students determine an angle given the perimeter and...
+
Worksheet
Curated OER

Midpoint of a Line Segment

For Students 10th
In this line segment worksheet, 10th graders identify and solve 10 different problems that include determining the midpoint of a line segment in each. First, they determine the midpoint of a segment that connects two points. Then,...
+
Lesson Plan
Curated OER

Word Kaleidoscope

For Teachers 4th - 5th
Students use a ruler to divide their paper into eight sections. They write words of importance to them in each section, using the shape of the section to form the word. Students color between letters and spaces with markers, creating a...
+
Worksheet
Curated OER

Phone Button Boggle

For Students 7th - 9th
For this phone button boggle worksheet, students identify the number of math words they can find on a phone keypad according to given directions.  This one-page worksheet contains one problem.  Answers are provided.
+
Worksheet
Curated OER

SAT Grid Practice Test 11

For Students 9th - 11th
In this SAT practice test, students compute the area and perimeter of polygons.  They determine the volume of a cylinder and solve problems with exponents.  This one-page worksheet contains 10 problems.  Answers are provided.
+
Lesson Plan
Curated OER

Geometry: Cut, Construct and Think

For Teachers 5th - 8th
Students explore polygons. In this geometry skills lesson plan, students complete an activity that requires them to solve geometry problems that involve polygons as they piece together geometric shapes. Students analyze the shapes they...
+
Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include various types of quadrilaterals to identify. First, they find the value for each variable in the illustrated quadrilateral. Then,...
+
Worksheet
Curated OER

Battle Ship

For Students 10th
In this coordinate plane worksheet, 10th graders solve and graph 3 different problems that include playing a game with graphing. First, they mark one of each of they ships either horizontally or vertically. Then, students call out a...
+
Worksheet
Curated OER

Pre-Proof Warm-Ups

For Students 10th
In this pre-proofs activity, 10th graders solve and complete 10 different problems that include various proofs and their definitions. They use the diagram shown and the given information to write the direct conclusion for each case....