Interactive
National Council of Teachers of Mathematics

Scale Factor

For Students 6th - 12th Standards
Does doubling mean everything doubles? Learners adjust the scale factor between two rectangles. Using the calculated measurements, pupils investigate the ratios between the lengths, perimeters, and areas of the rectangles.
Interactive
Shodor Education Foundation

Skew Distribution

For Students 6th - 12th Standards
Slide the class into a skewed view. Learners alter the location of the median relative to the mean of a normal curve to create a skew distribution. They compare the curve to a histogram distribution with the same skewness. 
Lesson Plan
Howard County Schools

Factoring Trinomials Using Tiles

For Teachers 8th - 10th Standards
What's the opposite of multiplying binomials? Learners apply their previous knowledge of multiplying binomials using algebra tiles to factor trinomials. The lesson introduces factoring as a process that uses algebra tiles to...
Activity
5280 Math

Integer Interpreter

For Teachers 8th - 9th Standards
Can you add variables if you don't know their value? Using an empty number line, scholars first locate the position of the difference, sum, product, and quotient of two unknown integers. Later problems mix operations as well as add...
Activity
5280 Math

Multiplication Table Algebra

For Teachers 8th - 12th Standards
Patterns, patterns, everywhere! Young scholars examine the multiplication table to identify patterns. Their exploration leads to an understanding of the difference of squares and sum of cubes by the completion of the algebra project.
Activity
5280 Math

Triangle Area Patterns

For Teachers 8th - 10th Standards
Combine algebraic and geometric strategies to find solutions. The task asks learners to find the coordinates of a third vertex of a triangle to create a triangle with a specific area. The project is a set of seven problems that...
Unit Plan
Mathematics Vision Project

Module 2: Linear and Exponential Functions

For Students 8th - 10th Standards
Write, graph, and model all things linear and exponential. Building on the previous module in a nine-part Algebra I series, learners compare linear exponential modeling. They write equations, graph functions, and analyze key features.
Lesson Plan
1
1
Teach Engineering

Exploring the Forces of Tension

For Teachers 6th - 8th
Let the resource stretch the minds of your young scientists with a lesson about tensile strength and stiffness of materials. Groups consider how easily materials stretch and relate this property to engineering design.
Lesson Plan
Curated OER

Work and Power: Waterwheel

For Teachers 7th - 9th
Students investigate a waterwheel and the physical properties of energy.  In this waterwheel lesson students create a model waterwheel and calculate the amount of power produced. 
Lesson Plan
Curated OER

Area, Arithmetic and Algebra

For Teachers 8th - 10th
Students model formulas for rectangles and squares. In this area, arithmetic and algebra lesson, students explore the formula for the area of squares and rectangles. They use squares to model the formula for the area and identify...
Lesson Plan
Curated OER

Multiplication Stories

For Teachers 2nd
Second graders solve various multiplication math word problems involving cars and people, fish and fish bowls, and tables and table legs. They write and solve multiplication story problems related to whole numbers, addition, subtraction,...
Lesson Plan
Curated OER

Chemical Changes

For Teachers 6th - 8th
Students compare types of chemical change. In this chemical reaction instructional activity, students use a variety of household items to investigate different types of chemical change. Students will engage in a discussion about the...
Lesson Plan
Curated OER

Grab Bags

For Teachers 8th
Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...
Lesson Plan
Curated OER

Exploring Geometric Constructions of Parabolas

For Teachers 6th - 8th
Learners are introduced to the construction geometrically of parabolas. Using a software program, they identify lines, segments and midpoints. They label the parabolas properties and characteristics and use a formula to determine the...
Lesson Plan
Curated OER

Johnny Appleseed Origami

For Teachers 2nd
Second graders make an origami Johnny Appleseed. In this geometry instructional activity students follow folding instructions. They find different geometric shapes while they are folding. They create Johnny Appleseed's body and attach a...
Worksheet
Curated OER

Vocabulary: Addition Terminology

For Students 5th - 8th
In this addition terminology activity, students complete many activities where they define and match addition terminology. Students complete 11 pages of activities.
Worksheet
Curated OER

Multiplying Up To 12 By 1 (B)

For Students 2nd - 4th
In this multiplication worksheet, students find the products by multiplying times one. Students solve 36 problems.
Lesson Plan
Curated OER

Johnny Appleseed Walkabout

For Teachers 2nd
Second graders calculate mileage for a journey. In this place value and measurement lesson, 2nd graders read Johnny Appleseed, work in groups to locate his birthplace on a map, locate the other states he stopped in, and measure the...
Lesson Plan
Curated OER

Shapely Figures

For Teachers 6th - 8th
Students are given magazines, scissors, glue, and one sheet of construction paper. They look for pictures showing real life representations of rectangular prisms, spheres, cones, and pyramids. Pupils cut out pictures showing each of...
Lesson Plan
Curated OER

Equations in Motion: Design and construct a mobile

For Teachers 6th - 9th
Students participate in a lesson that covers the concepts of solving equations and inequalities. To master the concept they must demonstrate visually and verbally how both sides of an equation must be balanced. They construct a balanced...
Worksheet
2
2
Curated OER

Simplifying Fractions

For Students 7th - 8th
In this simplifying fractions worksheet, students solve and complete 10 various types of problems. First, they write the fractions in simplest form and find the lowest common denominator for each pair. Then, students change the improper...
Lesson Plan
Curated OER

Graphs, Stories, And Games

For Teachers 8th - 12th
In this graphs lesson, young scholars read stories and present story situations on a graph.  They explore distance and diameter and explain graphs.  Students create their own stories to fit graphs.
Worksheet
Curated OER

Division with Figures

For Students 5th - 10th
In this division learning exercise, students figure out which shapes represent which single digit number in a long division problem. Students then answer 3 questions.
Lesson Plan
Curated OER

Tessellations: Use Angles To Show That Shapes Will or WIll Not Tessellate

For Teachers 6th - 8th
Middle schoolers observe a selection of shapes. They identify which shapes will tessellate and justify their answer. Students apply the symmetry and angle properties of polygons to create tessellations.

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