Curated OER
Tracking the Salt Front
Students manipulate Hudson River salt front data from October 2004 -
September 2005 to locate the high and low points of the salt front for each month, They determine the range for each month, determine the modal range for each month,...
Curated OER
H2O in Us
Students discover through this activity that all organisms are composed of water. They find that 70 percent of their bodies are made up of water that is in thier cells and blood, and not free-flowing throughout their body.
Math Slice
Math Slice: Online Mathematics Practice (Mock) Tests for Grades 4 Through 5
A collection of mock math tests, designed for grades 3-5, modeled after portions of standardized tests.
Teaching Treasures Publications
Teaching Treasures: Year Six Math True or False
Assess your aptitude for math facts with this interactive true or false questionnaire. Questions cover a variety of math concepts and topics that should be familiar to most young mathematicians. Answers can be checked immediately.
AAA Math
Aaa Math: Estimation
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
NumberNut
Number Nut: Subtraction Overview
Get an overview of the subtraction process in this brief lesson that introduces key concepts, vocabulary, and symbols. Links to related, interactive practice are also available in this lesson.
NumberNut
Number Nut: Subtracting Through Twenty
Review or learn the basics of single-digit subtraction in this concise lesson that has related vocabulary and strategies for solving subtraction problems. This lesson includes lots of examples and links for two interactive subtraction...
NumberNut
Number Nut: Multiplication Overview
Understand the basics of multiplication from this brief overview that contains related vocabulary, symbols, and examples of this operation. Students can practice this skill using the single-digit multiplication games. Both games are...
Math Words
Math words.com: Nth Root
This website provides the basic definition for what the nth Root is and gives an example to show how it is written and computed.