Other
Hpedsb: Geometry
This page of Geometry links addresses many of the Geometry expectations in the Ontario K-8 Math curriculum. There are simple sorting exercises for Grade One and Cartesian Graphing tasks for the intermediate grades.
PBS
Pbs Mathline: Looking Through the Algebraic Lens Grades 3 5 [Pdf]
Students will explore odd and even numbers as well as triangles hidden in polygons through this lesson. Printable lesson.
Exploratorium
Exploratorium: Geometry Playground
Colorful explorations of geometry, taken from a museum exhibit. With sections on the geometry of light, the geometry of movement, and the geometry of patterns. Includes photo essays, videos, and activities.
Utah Education Network
Uen: K Act. 07: Fruity Counters
Students use pattern block stickers to determine and explore patterns.
Scholastic
Scholastic: Math Maven's Mysteries: The Case of the Hatcher Hotel Heist
Help Math Maven solve this mystery! Items are missing from several hotel rooms, but some addition and subtraction clues have been left behind. Use your skills to figure out where the thief will strike next!
Cool Math
Coolmath: Coolmath4kids: Ten Frames
An interactive for working with ten frames or a variation of one. Choose characters or shapes for counters and lay them out in your frame. There are tools for duplicating, rotating, drawing, and deleting, as well as for typing an...
Student Achievement Partners
Illustrative Mathematics: Number Rods [Pdf]
Students use unifix cubes or snap cubes to explore counting and linear ordering of numbers in this lesson.
Better Lesson
Better Lesson: Unknown Addend Problem
Students will solve word problems to create their own subtraction number sentences. They will use known addition facts to solve subtraction problems. A detailed lesson plan, worksheet, and pictures/videos of the instructional activity...
Study Pad
Splash Learn: Decompose Numbers (11 to 19) Into a Ten and a Few Ones
[Free Registration/Login Required] Using ten frames and number sentences, students will practice decomposing numbers into tens and ones.
Better Lesson
Better Lesson: Adding and Subtracting Multiples of Ten
Learners will apply the idea of adding or subtracting ten to a number by adding or subtracting multiple groups of ten from a number. Included is a detailed lesson plan, videos of the lesson in action, materials and worksheets, and center...
PBS
Pbs Kids Afterschool Adventure!: Operation: Numbers 1 10 Activity Plan
In this week's Afterschool Adventure, children will explore simple math activities using the numbers one through ten. Children will represent numbers in different ways, such as drawing quantities; writing numerals; and using number...
E-learning for Kids
E Learning for Kids: Math: Husky Sled: Addition to 20
Kodi the sled dog needs your help. Can you help him count?
E-learning for Kids
E Learning for Kids: Math: Food Market: Addition and Multiplication
Go shopping with Annie and learn to add and multiply.
PBS
Wnet: Thirteen: Patterns to the Rescue
Patterns and sequences of numbers are explored through this lesson.
Texas Instruments
Texas Instruments: Weaving a Story
In this activity, students construct a paper weaving using a chart model. They will also learn skip counting with the TI-10 and recognize number patterns in art.
Texas Instruments
Texas Instruments: Action Packed Stories
Students learn to use whole numbers and the operations of addition and subtraction. They choose a number, create a story Using the number selected and illustrate the number story. They represent the action in the story on the calculator.
University of Texas at Austin
Mathematics Teks Toolkit: Oh No! My Ominoes!
Explore pentominoes by determining congruent and non-congruent shapes.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Make Ten Bundles [Pdf]
Students complete an activity by rolling a die and creating bundles of ten.
Quia
Quia: Addition Level 1
Students can practice addition facts using the interactive matching games on this site.
Writing Fix
Writing Fix: Useful Shapes: Analytical Writing in Primary Math Classrooms
For this lesson, the book entitled The Greedy Triangle, written by Marilyn Burns, is shared. After sharing this read-aloud book, students will illustrate pictures that incorporate the triangle. Then will write three reasons why a...
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Number Maker
Identify every number from 0 up to 20 with this interactive lesson. Click the how to do it button for instructions.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Addition Quiz
Assess knowledge of addition facts from 1 to 9 with this interactive quiz. Click check my answers and do it again, to verify answers and continue practice.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtraction Quiz
Practice subtraction skills for numbers 1 to 9 with this interactive assessment. Click check my answers to verify answers and do it again to practice more.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtract Up to 9
Practice subtraction facts up to nine with this interactive exercise.