Curated OER
Grade 5 Math Test
In this grade 5 reading quiz, 5th graders complete a 26 question multiple choice quiz covering a variety of grade 5 reading concepts. Answers may be submitted on-line.
Curated OER
Measuring Irregular Shapes
Sixth graders practice measuring shapes that do not have a common shape. They practice using centimeter grid paper to make the measurements. Students also use estimation skills after measurements are taken.
Curated OER
Bermuda Triangle: Map Activity
In this Bermuda triangle worksheet, students complete a set of 4 questions using a given map of the Bermuda triangle. Answers are included on page 2.
Curated OER
Babylonian Mathematics 2
Learners research Babylonian mathematics. They calculate simple surd numbers. Students find the fractional form of rational numbers expressed as decimals. They work with numbers in base 60.
Curated OER
Biome Map
In this biomes worksheet, students color the map of North America according to the biome clues. Students then answer questions about the North American biomes.
Curated OER
How Many Pennies?
Students estimate the number of pennies it takes to fill outlines of various basic shapes.
Curated OER
Worksheet 5. Vocabulary Practice
In this vocabulary worksheet, students circle the letter of the word or phrase that means the same as the words in bold. There are 14 questions on this worksheet.
Curated OER
Multiplying Mixed Numbers
in this math worksheet, students combine the factors of mixed numbers in order to get the correct products. The answers are also accessible.
Curated OER
Science Friday: Hanford Nuclear Waste Cleanup
High schoolers practice careful listening skills to learn about problems regarding cleanup of radioactive wastes at the Hanford nuclear reservation in Washington State. Students answer the questions imbedded in the lesson as they listen...
Khan Academy
Khan Academy: Find Area by Counting Unit Squares
Find the area of shapes by counting the unit squares inside them. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints on how to find area....
Khan Academy
Khan Academy: Find Area With Partial Unit Squares
Count unit squares and partial unit squares to find the area of shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive step-by-step hints.
Shodor Education Foundation
Shodor Interactivate: Area (Elementary)
In this lesson students will practice finding the area of rectangular shapes and irregular shapes with right angles and understand why the area formula works for rectangular shapes. CCSS.Math.Content.3.MD.C.5.b A plane figure which can...
Scholastic
Scholastic Lesson Plan: New Way to Measure Area
This article describes a new approach to teaching children more than just memorizing a formula to find area and hope they don't confuse it with perimeter. This approach involves a project with real life situations....
Other
Calculator.net: Surface Area Calculator
Use these calculator tools to find the surface area, in your choice of units, of a sphere, cone, cube, cylinder, rectangular prism, capsule, ball cap, conical frustum, ellipsoid, or square pyramid. Includes a reference section listing...
National Council of Teachers of Mathematics
The Math Forum: Seventh Grade Math: Area and Perimeter
Learn how to enlarge drawings, figure out how much tile to buy to cover a specific floor, and learn about area and perimeter. These and other lesson plans are provided, including a fun interdisciplinary plan featuring dragons.
CPALMS
Cpalms: Area of Rectangles: A More Efficient Way?
[Free Registration/Login Required] In this lesson, students will connect the concepts of counting each square unit and multiplying the side lengths to compute the area of a rectangle. They will extend this knowledge by computing a side...
Khan Academy
Khan Academy: Find Area With Partial Unit Squares
Count unit squares and partial unit squares to find the area of shapes.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Converting Square Units
In this task, 6th graders must inches to feet in order to find the area of a rectangular board and explain the error in the calculations made by the board owner. Aligns with 6.RP.A.3.
Illustrative Mathematics
Illustrative Mathematics: 3.md the Square Counting Shortcut
This is a rectangle subdivision task; ideally instead of counting each square. students should break the letters into rectangles, multiply to find the areas, and add up the areas. Aligns with 3.MD.C: CCSS.Math.Content.3.MD.C.6 Measure...
Illustrative Mathematics
Illustrative Mathematics: 3.md, 3.g, 3.nf Halves, Thirds, and Sixths
The purpose of this task is for students to use their understanding of area as the number of square units that covers a region, to recognize different ways of representing fractions with area, and to understand why fractions are...
Khan Academy
Khan Academy: Create Rectangles With a Given Area
Practice finding the area of rectangles by counting unit square. Create rectangles with a given area by covering unit squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
National Institute of Standards and Technology (NIST)
International System of Units: Si Base Units
This is the definitive source for information on SI base units, derived units, squares, cubes, luminosity, field strength and flux density.
Khan Academy
Khan Academy: Understanding Area
Compare the amount of unit squares that cover figures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints related to the concept of area.
Illustrative Mathematics
Illustrative Mathematics: 6.g Same Base and Height, Variation 2
This is the second version of a task asking students to find the areas of triangles that have the same base and height. This presentation is more abstract as students are not using physical models. They still determine the area of each...