Illustrative Mathematics
Finding an Unknown Angle
Teach your class how to apply their knowledge of geometry as they explore the unknown. In order to find an unknown angle, students must understand that rectangles have four interior right angles, that right angles have 90 degrees, and...
National Security Agency
Classifying Triangles
Building on young mathematicians' prior knowledge of three-sided shapes, this lesson series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...
Khan Academy
Khan Academy: Volume With Unit Cubes 1
In this exercise, students practice figuring volume with unit cubes. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
![Ohio Department of Education: Fifth Grade Achievement Test (Practice Test) [Pdf] Study Guide](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "Ohio Department of Education: Fifth Grade Achievement Test (Practice Test) [Pdf] Study Guide")
Other
Ohio Department of Education: Fifth Grade Achievement Test (Practice Test) [Pdf]
Half-length practice test for the third grade OAT (Ohio Achievement Test). The test includes 17 multiple-choice and 3 open-response question dealing with topics such as measurement (unit conversion, time), geometry (volume, area), data...
Soft Schools
Soft Schools: Perimeter Quiz
Students take a quiz assessing knowledge of perimeter and units of perimeter. The quiz consists of eight questions, and a results summary is shown at the end.