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CK-12 Foundation
Properties of Rational Numbers: Lollipop Trees
A six-question interactive takes mathematicians to Lollipop Land where they manipulate lollipop trees to make equivalent ratios. Question types include multiple-choice, true or false, and a discussion.
CK-12 Foundation
Proofs: Angle Pairs and Segments—The Three Angle Problem
Finding the sum of the measures of three angles is easy, unless you have no clue what the measures are. Learners use an interactive diagram to see a geometric problem in a different way. A set of challenge questions takes them through...
Curated OER
Counting to 5
Tiny scholars count 5 lollipops by ones, filling in the blank in a sentence with the total amount. Have them color in the pictures to develop fine motor skills for writing. Useful notes for teacher about developing 1:1 correspondence and...
Curated OER
Implicit Differentiation Problems
In this calculus worksheet, students perform implicit differentiation to take the derivative. They solve function explicitly of x. They differentiate between implicitly and explicitly. There are 16 problems with an answer key.
Curated OER
Spark Notes Review of Geometry
In this geometry activity, students are given the side lengths of polygons and asked to calculate the perimeter, area and shaded region. There are 30 questions with an answer key.
Curated OER
Online Math Learning: Surface Area of Spheres
In this surface area of spheres worksheet, students solve 4 short answer problems. Students find the surface area of spheres, hemispheres, and cones given a radius or a radius and height.
CK-12 Foundation
Identification of Angles by Vertex and Ray
Angle ABC is not the same as angle BCA, but it is the same as angle CBA. Help your classes understand naming conventions of angles and, more importantly, the importance of naming angles correctly. Scholars practice the parts of the angle...
Curated OER
Factoring Trinomials - Perfect Squares
In this online math instructional activity, students factor trinomials which are actually perfect squares. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
Word Problems that involve Circles
In this online math worksheet, students solve word problems the involve circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Curated OER
Area of Shaded Regions that involve Circles
In this online math worksheet, students determine the area of shaded regions within a circle. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...
Curated OER
Geometry Worksheets - Volume of Cylinders
In this online math learning exercise, students determine the volume of cylinders given their dimensions. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
Geometry Worksheets - Surface Area of Cylinders
In this online math activity, high schoolers determine the surface area of cylinders given their interior dimensions. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Curated OER
Geometry Worksheets - Surface of Sphere
In this online math worksheet, students calculate the surface area of a variety of spheres. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Curated OER
Circle Problems - Radius, Diameter, Circumference and Area
In this online math worksheet, students determine the radius, circumference, diameter and area of circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
Factoring Binomials - Difference of Squares
In this factoring binomials activity, students examine problems containing the difference of squares. They factor binomial equations. This one-page activity contains 15 problems. Answers are provided.
Curated OER
Sunspots and the Sun's Rotation
In this sun worksheet, students use a Sunspotter to observe the rotation of the sun by identifying the presence of sunspots and watching them rotate over time. Students calculate how many days it takes to see the sunspots they observe in...
Curated OER
Impedance Matching with Transformers
For this electrical circuit worksheet, students answer a series of 19 questions by analyzing schematics dealing with the transformers. Students will determine the amount of impedance to various scenarios.
Curated OER
Find the Area of Four Shaded Figures that Include Circles
In this area worksheet, students calculate the area of four figures that each include circles. Students can check their answers and get hint by clicking on the "Check" or "Hint" button at the bottom of the page.
Curated OER
Area of Figures That Include Circles
In this area worksheet, students calculate the perimeter and area of given complex figures. They determine the area of shaded regions, and find the distance between straight lines. This one-page worksheet contains 4...
Curated OER
Geometry Worksheets-volume of Sphere
For this geometry worksheet, 10th graders determine the volume of a sphere, given the diameter or the radius. The one page interactive worksheet contains eight questions. Hints, clues, and answers are provided.
Curated OER
AC metrology
For this worksheet, students are asked 11 questions about AC currents and transformers and volt meters. Students can check answers online.
Curated OER
Time Word Problems
In this time activity, students complete word problems dealing with elapsed time. Students complete 10 word problems on this activity.
Curated OER
Word Problems that involve Circles
In this geometry learning exercise, 10th graders solve application word problems based on knowledge of a circle. The one page interactive learning exercise contains four questions. Answers and hints are included.
Curated OER
Surface Area of Solids
In this geometry learning exercise, 10th graders determine surface area of a cylinder, a cone, a hemisphere, and a figure composed of a cylinder and a cone. The one page interactive learning exercise contains four questions. Answers and...