Curated OER
1st Grade Geometry Worksheets
In these basic geometry worksheets, 1st graders will complete a variety of activities involving shapes such as: tracing names of shapes, labeling shapes, solving shape riddles, and counting and finding shapes in a picture.
Curated OER
Size Riddles
Students investigate shapes and sizes by creating a riddle. In this geometry activity, students read one of two books and investigate facts about an object's size. Students write a riddle using the facts they have read and cut a piece...
Arizona State University
Roundup Shapes
Let's study 2-D shapes! Young mathematicians compare and classify shapes according to attributes. They evaluate shape riddles and predict the shape being described. Here is the website where you can find the...
Curated OER
A Game of Scrabble
In this secondary mathematics activity, students determine each word played during a Scrabble game. They are given a mat clue for each word played and determine the correct placement on the board and the score at the end of the game....
Curated OER
Multiplication
Third graders discover a connection between numbers of things in groups and groups. They solve number line puzzles for multiplications and identify data for 3 riddles in a multiplication context. They use number lines as sources for...
Curated OER
The Circle's Measure
Students explore circumference and diameter. For this math lesson, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of various...
Curated OER
Grandfather Tang's Story
Students construct tangram patters. For this geometry lesson, students read the book Grandfather Tang's Story and visit various websites to practice covering figures with tangrams. Students attempt to construct animal shapes using puzzles.
Curated OER
Geometric Patterns and Relationships
Fifth graders explore three-dimensional figures. As a class, they discuss the characteristics of various three-dimensional figures. In groups, 5th graders write riddles describing the geometric shape. Partners read each other's...
Curated OER
Living in a Geometrical World
Students participate in a series of hand-on, online, and multimedia activities to examine 2 dimensional and 3 dimensional shapes. They describe common geometric solids. They construct rectangular prisms using straws and ribbon.
Curated OER
A World of Symmetry
Students identify lines of symmetry. In this symmetry instructional activity, students create objects and identify their lines of symmetry. They answer questions about lines of symmetry. Students cut shapes out of cookie dough and...
Curated OER
Captain Invincible and the Space Shapes
Learners identify geometric solids. In this geometric shapes instructional activity, students listen to the teacher read Captain Invincible and the Space Shapes by Stuart J. Murphy. Learners then visit a web site where they identify...
Maths Challenge
Maths challenge.net: Problem Solving Database
Need some challenging problem-solving work for your students in the following areas: Discrete, Geometry, Numbers, and Code Breaking? This is the place for an enormous database of problems aimed at high school age students. They are...
Scholastic
Scholastic: I Spy
These interactive matching games for elementary age students combine visuals of familiar objects and rhyming riddles to create brain-teasing puzzles.