CK-12 Foundation
Ck 12: Elem Math: Determining the Quotient Less Than 1 Without Calculation
[Free Registration/Login may be required to access all resource tools.] For this learning module, students use their number sense when looking at equations where decimals are being divided and, without calculating, state which quotient...
Better Lesson
Better Lesson: Writing Equations for Arrays
Second graders will learn how to make number sentences for an array by walking around the classroom and writing number sentences for the different arrays the teacher hangs around the room. A video is included, along with examples of...
Better Lesson
Better Lesson: What Is an Array?
Teach a lesson about repeated addition and arrays by using this very detailed lesson plan. The author walks you through the lesson step-by-step and even includes a video of her teaching about arrays for reference. Word problem worksheets...
Sophia Learning
Sophia: The Kinds of Inequality
Explore the different signs used to represent inequalities and what each represent.
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.
AAA Math
Aaa Math: Counting Down With Numbers
Practice counting down from ten with this interactive game.
National Council of Teachers of Mathematics
Nctm: Figure This: Census
Try this real world challenge that focuses on data collection, data analysis, and problem solving with information from the U.S. Census Bureau. Discover how these skills are applied in real life situations in this one page activity from...
Math Cats
Math Cat: Fact Family Card
Everything you need to know about fact families can be found here. Discover what fact families are and learn different strategies for using them. Links included to print your own fact family cards, create a fact family house, and play a...
Mangahigh
Mangahigh: Number: Multiply and Divide Whole Numbers by 10, 100 and 1000
This site provides students practice with the concept of multiplying and dividing whole numbers. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the...
PBS
Nova Online: How Many Pearls? A Weight & Volume Game
This interactive game has students apply skills in estimation, measurement, and basic addition using pearls. Students are asked to estimate the number of pearls in a treasure chest by making predictions and using number sense. The skills...
Mangahigh
Mangahigh: Number: Identify Halves and Quarters
This site provides students practice with the concept of halves and quarters. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Number: Square and Cube Roots
Explore square roots and cube roots by testing your knowledge.
Quia
Quia: Story Problems With Mixed Practice
Your problem-solving skills are put to the test in this interactive word problem game on this site. Employ a variety of mathematical skills and strategies including logical reasoning and computation. Multiple choice problems created for...
National Council of Teachers of Mathematics
Nctm: Figure This: Which Is Worth More, a Smile or a Frown?
Solve for the value of the smiles and frowns to find out how much a smile is worth, in this activity. A challenge that focuses on number sense, number combinations, and unknowns. Included are examples of how this skill is applied in real...
University of Texas at Austin
Mathematics Teks Toolkit: Buttons, Buttons, Everywhere!
Students use buttons to explore shapes, color, size and sort them into groups.
University of Waterloo (Canada)
Wired Math: Primes and Prime Factors [Pdf]
Explore primes, prime factors, and composites using this collection of worksheets. Lots of detailed examples, interesting math facts, and colorful visuals. Acrobat Reader required.
Khan Academy
Khan Academy: Signs of Expressions
Practice finding the signs of the answers to multiplication and division problems with positive and negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Welcome to mr.r's World of Math!!!
At this site, math word problems are presented in an exciting and creative format. Students attempt to find solutions to hilarious situations using their mathematical skills. To do this they must solve various math problems in a certain...
Fun Brain
Fun Brain: Place Value Puzzler
An engaging and fast-paced game from FunBrain, where players activate their knowledge of place value and rounding. Numbers range in difficulty from easy to hard. However, for those who are up for a more serious challenge, there's also a...
Khan Academy
Khan Academy: Decimals on the Number Line: Tenths
Practice finding decimal numbers on the number line. Decimals are limited to tenths in these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Decimals on the Number Line: Hundredths
Practice finding decimal numbers on the number line. Decimals are limited to hundredths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Numbers in Written Form
In this exercise, students practice identifying place value. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.