Interactive
CK-12 Foundation

The Percent Equation: Soccer Stadium

For Students 6th - 8th Standards
A soccer-themed interactive challenges mathematicians to solve five questions involving percent equations. Question types include multiple-choice, fill in the blank, true or false and a discussion. A color-coded stadium with movable...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 17 to 24

For Students 6th - 8th Standards
Boost mathematicians' proficiency of binary numbers 17 to 24 with an interactive comprised of six questions—multiple-choice, true or false, and a discussion. A color-coded table reveals binary equivalents to aid in the problem-solving...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 9 to 16

For Students 6th - 8th Standards
Challenge mathematicians to crack the binary code with an interactive that focuses on numbers nine to 16. A table reveals exponential equations to aid in answering multiple-choice questions. A discussion question gauges comprehension. 
Interactive
CK-12 Foundation

Add and Subtract Decimals with Front-End Estimation: Wooden Beams

For Students 6th - 8th Standards
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Lesson Plan
Curated OER

Cross Sections

For Teachers 6th - 10th
Young visual learners explore different cross sections of 3-dimensional objects. First, cross sections of cubes are explored by using an interactive flash activity. This is then extended by looking at cross sections of spheres,...
Lesson Plan
Curated OER

Perpendicular Lines

For Teachers 3rd - 6th
In this perpendicular lines practice worksheet, students find and list examples of perpendicular lines at home, at school, and outside.
Worksheet
Curated OER

Countdown Challenge: Complimentary/Supplementary Angles

For Students 4th - 6th
In this complementary/supplementary angle worksheet, students explore the definition of complementary and supplementary angles. They demonstrate models of a complementary and a supplementary angle. This is a one-page worksheet.
Worksheet
Curated OER

Countdown Challenge: Right Angles

For Students 6th - 8th
In this right angle worksheet, students observe a map of the United States of America. They indicate all right angles on the map by using a right angle symbol. Students list the names of the states and identify the number of right angles...
Worksheet
Curated OER

Sir Cumference and the First Round Table

For Students 5th - 6th
In this circumference worksheet, students solve and complete 5 different figures illustrated on the sheet. First, they cut out each shape found on the bottom. Then, students use the shapes on the left as clues to create the corresponding...
Worksheet
Curated OER

Many Colored Maps

For Students 6th
In this map worksheet, 6th graders identify and complete 10 different problems that include various dimensional maps. First, they complete the table on the right by coloring the maps found on the bottom. Then, students determine the...
Worksheet
Curated OER

Countdown Challenge Symmetry

For Students 6th - 8th
For this symmetry worksheet, students identify the lines of symmetry in given polygons. They match the number of lines of symmetry to the correct figure. This one-page worksheet contains seven problems.
Worksheet
Curated OER

Perimeter and Area

For Students 3rd - 8th
Use this perimeter and area instructional activity to have learners find the perimeter and area of shapes with right angles. They complete a total of nine problems.
Interactive
CK-12 Foundation

Add and Subtract Three Mixed Numbers: Walking to School

For Students 6th - 8th Standards
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
Interactive
CK-12 Foundation

Sums of Mixed Numbers: Split the Addition

For Students 5th - 8th Standards
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.  
Worksheet
Curated OER

Triangles

For Students 3rd - 8th
In this triangles worksheet, students name the kind of triangle that is shown in the picture. Students name 3 different kinds of triangles.
Worksheet
Curated OER

Complex Figures

For Students 4th - 6th
In this complex figure activity, students find the length, height, perimeter, and surface area of the complex figure. Students complete 4 problems.
Worksheet
Curated OER

Corresponding Angles

For Students 4th - 6th
In this corresponding angles instructional activity, students use their knowledge of corresponding angles to determine the measurements of angles marked with a question mark.
Worksheet
Curated OER

Rotations

For Students 5th - 10th
In this rotations worksheet, students draw and label a rotated image for each triangle and label its center. Students complete 6 problems.
Worksheet
Curated OER

Dilations

For Students 6th - 10th
In this dilations worksheet, students draw and label dilated images for the triangles and label the centers. Students complete 6 problems total.
Worksheet
Curated OER

Area of Parallelograms [2]

For Students 5th - 6th
For this area of parallelograms worksheet, students solve for the area of 6 parallelograms. Answers are included on page 2. No review of formula is given on worksheet.
Worksheet
Curated OER

Area of Trapezoids [2]

For Students 4th - 6th
In this area of trapezoids worksheet, students solve for the area of 6 trapezoids. Answers included on page 2, no review of formula on worksheet.
Worksheet
Curated OER

Supplementary Angles (A)

For Students 5th - 6th
In this supplementary angles worksheet, students solve 4 problems in which the missing angle measurement in a set of supplementary angles is calculated.
Worksheet
Curated OER

Complementary Angles (A)

For Students 5th - 6th
In this angles worksheet, students solve 6 problems in which the missing angle measurement in each set of complementary angles is calculated.
Worksheet
Curated OER

Alternate Angles 2

For Students 4th - 6th
In this alternate angle worksheet, students use their knowledge of alternate angles to determine the measurements of angles marked with a question mark.

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