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Curated OER
Shape Search
Second graders draw a model using correctly formed geometric shapes. In this geometric shapes lesson, 2nd graders notice geometric shapes in the world around them and accurately draw these shapes.
Curated OER
Slides, Flips and Turns
Third graders are introduced to the meanings of the concepts slides, turns, and flips in how they relate to Geometry. As a class, they use their bodies to demonstrate how each term should look like. To end the lesson, they apply the...
Curated OER
It Counts
Students explore one to one number correspondence. In this early math lesson, students make observations about and classify plants in order to gain an understanding of using numbers to describe their world.
Curated OER
Shapes at Work
Students use their classroom to look for various types of shapes. In their science journals, they record the shapes they find and identify those that can be used to solve problems or build structures. They share and post their sketches...
Texas Instruments
Texas Instruments: Transforming Tangrams
The student will use the transformations - rotation, reflection, translation - to create common shapes from tangram pattern blocks
University of Regina (Canada)
University of Regina: Math Central: Manipulatives for the Upper Elementary (Gr. 4 6)
Many teachers find it more challenging to incorporate the use of manipulatives into their mathematics programs at the upper elementary or middle school grades. Activities using manipulatives are provided for grades four, five, and six...
ClassFlow
Class Flow: Tangrams
[Free Registration/Login Required] In this flipchart, students use the interactive features in Activstudio to simulate translations and reflections using objects. Students develop and apply their understanding of geometric sense by...
University of Cambridge
University of Cambridge: Nrich: Game Tantaliser Tantrix Discoveries
This game combines tangrams and pattern recognition to offer you a challenge. The page has a "Printable page" link if you want to print it out to help you work with the problem.
Ministry of Education and Employment of Spain
Red Escolar: Juega Con Sucesiones
In Spanish. Find out about patterns and number sequences and read about some of Fibonacci tricks.
Ministry of Education and Employment of Spain
Red Escolar: Serpientes De Numeros
In Spanish. Find the hidden sequence of numbers and color by following the given clues.
TVOntario
Tvo Kids: Mysteries of Lagoon Bay
This multiplayer board game allows you to learn about patterning, spelling, tangram puzzles and addition. Collect shiny gems raining down from the sky, but beware of lurking sea monsters.
Can Teach
Can Teach: Math Centers
This page offers a variety of math center ideas for general math and geometry. Instructions on setting up the center are not provided for most ideas, however, those lacking instructions are pretty self-evident.
Ministry of Education and Employment of Spain
Red Escolar: Problemas De Holmes 2002
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Ministry of Education and Employment of Spain
Red Escolar: Trucos De Adivinacion
In Spanish. Help students become better mental mathematicians by enjoying the magic relationship of mathematics through magic tricks. Students are given two different series of computations to use when thinking of a number, and then the...