PBS
Nh Pbs: Nature Works: Grasslands
NatureWorks offers some great information about grasslands. Learn what grasslands are, the difference between tropical and temperate grasslands, the different types of prairie grasses, and grassland animals.
Curated OER
Visual Fractions:strict Fraction Subtraction With Circles
Use this interactive site from Visual Fractions to practice subtraction with fractions using circles. You will need to answer the questions with mixed numbers in lowest terms.
Curated OER
Visual Fractions:strict Fraction Subtraction With Circles
Use this interactive site from Visual Fractions to practice subtraction with fractions using circles. You will need to answer the questions with mixed numbers in lowest terms.
Calculator Soup
Calculator Soup: Lcd Calculator Least Common Denominator
Use this Least Common Denominator Calculator to find the lowest common denominator (LCD) of fractions, integers and mixed numbers. Finding the LCD is important because fractions need to have the same denominator when you are doing...
ClassFlow
Class Flow: Christmas Math
[Free Registration/Login Required] Mixed review for second grade math skills.
Teaching Treasures Publications
Teaching Treasures: Year Six Timed Mental Math (Page 2)
Improve your computations skills in all four operations with this timed interactive worksheet. Solve ten problems in five minutes or less. Problems are presented in horizontal format and answers can be checked immediately. This worksheet...
Math Aids
Math Aids: Word Problems Worksheets
Great resource to practice and strengthen math skills pertaining to word problems. Math worksheets are printable, may be customized, and include answer keys.
TeachEngineering
Teach Engineering: One World Ocean
In this activity, students learn about ocean currents and the difference between salt and fresh water. They use colored ice cubes to see how cold and warm water mix and how this mixing causes currents. Also, students learn how surface...
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Whole Number
[Free Registration/Login may be required to access all resource tools.] Round whole numbers in order to estimate sums and differences.
Science Education Resource Center at Carleton College
Serc: Mixtures, Solutions and Saturation: Testing Household Materials
Choosing two different powders, students will evaluate the properties of the materials and if the materials, when mixed with 50 ml of water, make a mixture or solution. They will examine the difference between a mixture and a solution...
Science Education Resource Center at Carleton College
Serc: Chemical Reactions and Pancakes
In this instructional activity, students will hear a story about the ingredients that go into pancakes called, "Pancakes, Pancakes!" by Eric Carle. We will then discuss preference of light and fluffy vs. flat and rubbery pancakes....
University Corporation for Atmospheric Research
Ucar: What Is Weather?
Weather is the mix of events that happen each day in our atmosphere. Learn how weather events are controlled by air pressure, how Meteorologists predict the weather and the difference between weather and climate.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Add and Subtract Fractions
This Math Page tutorial explains how to add and subtract fractions and features a practice section at the very end of the lesson.
Khan Academy
Khan Academy: Subtracting Fractions With Unlike Denominators
Practice subtracting fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Fractions With Unlike Denominators
Practice adding fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Quia
Quia: Equivalent Fractions
Use this Web site to practice finding equivalent fractions using a matching game format. CCSS.Math.Content.3.NF.A.3.a Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line.
Fun Brain
Fun Brain: Fraction Soccer
Compete in a soccer shootout by adding, subtracting, multiplying, and dividing fractions. Score goals for your team and block your opponent's shots by answering correctly.
Math Aids
Math Aids: Number Line Worksheets
Great resource for learning and practicing number lines. Math worksheets are printable, may be customized, and include answer keys.
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