+
Interactive
Curated OER

Special Right Triangles Multiple Choice

For Students 9th - 11th
In this length instructional activity, students answer five multiple choice questions concerning lengths using rules of various figures including, triangles, rhombus, diamonds, and circles.
+
Worksheet
Curated OER

Fraction Patterns Worksheet

For Students 3rd - 6th
In this fractions and patterns learning exercise, students make patterns of parallelograms and trapezoids using pattern blocks. Students complete 6 problems.
+
Lesson Plan
Curated OER

Perimeter and Area of a Rectangle

For Teachers 6th
Sixth graders fill out worksheets to find the perimeter and area of rectangles. In this perimeter and area lesson plan, 6th graders color in the area and measure the perimeters.
+
Lesson Plan
Curated OER

Best lesson in the whole world!

For Teachers 6th - 8th
Students study the concept of fraction using mathematical reasoning. In this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Students use a number of different prompts to...
+
Lesson Plan
Curated OER

Area and dimensions

For Teachers 6th
Sixth graders study the concepts of area and dimensions. For this area and dimensions lesson, 6th graders work in pairs to complete the handout included that illustrates ways to represent various numbers. Students also determine what...
+
Lesson Plan
Curated OER

You Can Count on Squares!

For Teachers 4th
Fourth graders engage in and explore to develop mathematical, specifically algebraic, ideas. Although the tasks are built around measurement, they are algebraic to the extent that they require 'formulae' to be derived form the geometric...
+
Lesson Plan
Curated OER

Rhombi

For Teachers 4th - 5th
Students examine the rhombi or diamond shape and compare it to the square. Students are challenged to create as many flat rhombus shapes as possible and develop a definition for the rhombus shape in 20 minutes while working in teams of...
+
Lesson Plan
Curated OER

Geo Jammin' - Day 5, Lesson 18: By George!

For Teachers 2nd - 5th
Students handle geometric shape puppets and answer specific questions about dimension. They write from the shape's point of view comparing themselves to everyday objects.
+
Lesson Plan
Curated OER

How Much Grass Should I Buy?

For Teachers 7th - 12th
Students examine a variety of real life situations in which they must access information, select an appropriate formula, and calculate an answer. A rectangular piece of grass provides an opportunity for the exploration of this lesson.
+
Lesson Plan
Curated OER

Ship Shape

For Teachers 2nd
Second graders explore shapes and create a Silly Shape book. Students recognize that shapes have certain properties and be able to define them. Example, a triangle is any three-sided shape. Students' job is to make a picture on...
+
Lesson Plan
Curated OER

Placing Plates

For Teachers 2nd
Second graders investigate the task of making a large hexagonal plate by putting together smaller ones. The lesson has detailed example problems for the teacher to use during direct instruction. The manipulative activities strengthen the...
+
Lesson Plan
Curated OER

Perimeter and Area

For Teachers 6th
Sixth graders explore the relationship between area and perimeter of rectangles. In this area and perimeter lesson, 6th graders measure and determine perimeter and area of various rectangles. Students create rectangles with given areas...
+
Lesson Plan
Curated OER

Minimize Perimeter

For Teachers 6th - 8th
Students practice calculating the perimeter of different sized rectangles. Individually, they identify the derivations of a function that can show the perimeter and determine how to minimize the perimeter within a fixed area. They use...
+
Lesson Plan
Curated OER

Minimize Perimeter -- Lecture

For Teachers 6th - 8th
Middle schoolers are introduced to the concept of perimeter. As a class, they listen to a lecture describing the derivations of a function that describes perimeter. They calculate the minimum perimeter of a rectangle and determine the...
+
Lesson Plan
Curated OER

Exploring the Golden Rectangle

For Teachers 9th - 12th
Students will construct a golden section and a golden rectangle and study their characteristics and connections with the Fibonacci series. They import pictures from the internet and download them into the Sketchpad. Using their "golden"...
+
Worksheet
Curated OER

Worksheet #2.6: MT-A141 PreCalculus

For Students 11th - 12th
In this graphing worksheet, students predict how a graph of given functions will work. Next, they check their work using a graphing calculator. Students use algebra to complete the graph of a square and determine transformations.
+
Worksheet
Curated OER

Counting Shapes

For Students K
In this mathematics worksheet, students identify various shapes. Then they circle the correct number of shapes illustrated in each box. There are 10 problems to solve on the sheet.
+
Worksheet
Curated OER

Compare Groups

For Students K
In this mathematics worksheet, students identify various types of shapes shown. Then they circle the group with the most shapes. There are 8 problems to solve on the sheet.
+
Worksheet
Curated OER

Graph Groups

For Students K - 1st
In this mathematics instructional activity, students solve a number of problems by counting each shape and graphing the amount to the right in height. Then they circle the shape that appears the most often on the sheet.
+
Worksheet
Curated OER

Which One Does Not Belong?

For Students K
In this mathematics worksheet, students circle the shape in each group that is different. there are six different groups to identify on the sheet.
+
Worksheet
Curated OER

Tracing and Coloring Rectangles

For Students K - 1st
In this geometry worksheet, students examine 14 rectangles of different sizes which are shown with dotted lines. Students trace the rectangles and "colour" in the shapes.
+
Worksheet
Curated OER

Mystery Numbers

For Students 6th - 7th
In this mystery numbers worksheet, students solve 4 different word problems that include guessing numbers described. First, they determine a two digit number that has the sum equal to 6. Then, students determine a two digit number that...
+
Worksheet
Curated OER

Rectangles

For Students K
In this rectangle worksheet, students focus on mastery of the shape. Students trace 3 horizontal and 3 vertical rectangles.
+
Organizer
Curated OER

2D Shape Sheet: Rectangle

For Students K - 2nd
In this 2D shape/rectangle worksheet, students view a picture of a large rectangle. Worksheet has no other associated activities. A reference web site is given for additional activities.