Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Alike or Different Game

For Teachers K - 1st Standards
Students work in pairs and take turns drawing two cards. These cards have pictures of different shapes. The students are asked to describe what is similar or different between the two shapes. This type of task lays the foundation for the...
Lesson Plan
Writing Fix

Writing Fix: Useful Shapes: Analytical Writing in Primary Math Classrooms

For Teachers Pre-K - 1st Standards
In this lesson plan, 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...
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Don't Fall In

For Students 3rd - 8th
Have you ever wondered why manhole covers are round? Believe it or not, there is a logical, mathematical reason. See if you can figure it out in this NCTM Math Challenge for Families activity. A one-page activity with suggested life...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg How Many Leaves on a Tree?

For Teachers 9th - 10th Standards
This is a mathematical modeling task aimed at making a reasonable estimate for something which is too large to count accurately, the number of leaves on a tree, taking into account the tree size and the density of the leaves. Aligns with...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Symmetries of Rectangles

For Teachers 9th - 10th Standards
This task examines the rigid motions which map a rectangle onto itself. The emphasis here is on careful reasoning using the definitions of reflections and rotations. Aligns with G-CO.A.3.
eBook
CK-12 Foundation

Ck 12: Interactive Middle School Math 7 for Ccss

For Students 7th
A complete CCSS Grade 7 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...
Activity
Annenberg Foundation

Annenberg Learner: Patterns in Mathematics: Guess My Button

For Teachers 1st - 3rd
This website gives students an opportunity to sort and classify attributes of a group. The applet responds to each selection made and guides student to the next step.
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Math Slice

Math Slice: Online Mathematics Practice (Mock) Tests for Grades 4 Through 5

For Students 3rd - 5th Standards
A collection of mock math tests, designed for grades 3-5, modeled after portions of standardized tests.
Activity
National Council of Teachers of Mathematics

The Math Forum: The Cylinder Problem: Elementary Lesson

For Teachers 3rd - 5th
Use this lesson plan to help students learn about cylinders. Students will be creating cylinders, and comparing them and their capacity. This engaging, hands-on lesson will hold student interest and be very beneficial to student learning.
Activity
National Council of Teachers of Mathematics

The Math Forum: The Cylinder Problem: Middle School Lesson

For Teachers 6th - 8th Standards
This lesson offers an interesting, hands-on experience for middle school students studying cylinders. Students will create cylinders, and measure and compare their volumes.
Activity
Maths Challenge

Maths challenge.net: Perimeter Sequence

For Students 3rd - 6th Standards
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to find the perimeter from the sequence.