Mathematics Vision Project
Module 5: Modeling with Geometry
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts to finding...
Illustrative Mathematics
How Many Leaves on a Tree? (Version 2)
A second attack at figuring out the number of leaves on a tree, this activity makes both an excellent follow-up to version 1 and a stand-alone activity. Learners practice setting parameters and deciding acceptable estimate precision, and...
Curated OER
Probability and Geometry Problems
In this online math worksheet, high schoolers consider a variety of scenarios which include elements of geometry and probability. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Curated OER
Non-Unit Fractions
First graders explore non-unit fractions. They discuss the parts of fractions and identify the numerator and the denominator. They discuss various examples of fractions. Students write fractions that are equivalent to the ones written by...