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CK-12 Foundation
Ck 12: Elem Math: Mixed Problems in Fractions
[Free Registration/Login may be required to access all resource tools.] A practice quiz where students solve a variety of problems involving fractions and mixed numbers.
Queen's Printer for Ontario
E workshop.on.ca: Effective Instruction in Math, 4 6: Big Ideas [Pdf]
Volume 1 in an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for explaining five big ideas of number sense and numeration to students in grades 4 through 6: quantity, operational...
Scholastic
Scholastic: Max's Math Adventures: Card Castle Addition
Use this site to see how Max and Ruthie built a castle inside Max's room! Teachers will want to look through the extra challenges and the teacher's guide to help with creating engaging lesson plans.
University of Cambridge
University of Cambridge: Nrich: Round and Round the Circle
Learn multiplication with this dial star exercise. Predict what shapes you will get with different numbers.
AAA Math
Aaa Math: Adding Seven Digit Numbers
This lesson is provided for by J. Banfill at AAAMath.com. Look over an example of adding seven digit numbers and then play this online game for practice. The game will keep track of your correct and incorrect answers, as well as give you...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Multiplication Table
This multiplication table has multiplication facts through 9 X 9 and also lets students practice them.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Decimals
This website from The Math Page explains and defines decimals.
Illustrative Mathematics
Illustrative Mathematics: Using Operations and Parentheses
The purpose of this task is to give students a chance to work creatively with three of the four fundamental arithmetic operations (addition, subtraction, and multiplication). It is well suited for helping students develop fluency with...
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator: Adding Even Numbers
Can you beat the calculator? Your task is to find the sum of all even numbers between two and any selected two-digit even number. If you can find the number pattern, you are sure to beat the calculator every time. Links to other "Beat...
Math Slice
Math Slice: Sundee Slice Special Test
A concise tool for assessing a variety of math concepts including measurement, algebra, number sense, and data. Assessment is scored online immediately. An excellent tool for quick assessment.
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...
The Math League
The Math League: Whole Numbers & Basic Properties
Here is a nice resource for students and teachers about whole numbers and their basic properties. It provides links to information on place value, expanded form, and rounding numbers are just a few of the topics on this page.
Scholastic
Scholastic: Max's Math Adventures: Good Bye Training Wheels!
Take a bike ride with Max and add up the miles he has traveled. Use the teacher's guide, activity sheet, and extra challenges to create an engaging learning experience!
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator!
Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for...
Khan Academy
Khan Academy: Multiply 2 , 3 , and 4 Digits by 1 Digit With Area Models
Use an area model to decompose the larger factor and multiply. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Annenberg Foundation
Annenberg Learner: Patterns in Mathematics: Mystery Operations
This interactive activity allows you to change an equation's numbers in an attempt to figure out what operations are being used to control the answers.
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Addition and Subtraction I Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve a word problem with addition and subtraction of two-digit numbers. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Selecting the Correct Sentence
[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers to determine which number sentence matches the correct solution. The video is followed by a series of...
PBS
Pbs: Dividing a Whole Number by a Unit Fraction
Explore division by modeling problems and grouping with manipulatives. This video focuses on dividing whole numbers by unit fractions and modeling the problems with unit blocks.
Khan Academy
Khan Academy: Multiply and Divide Decimals by 10
Practice multiplying and dividing decimal numbers by 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
National Council of Teachers of Mathematics
Nctm: Factor Game
Fun math game tests your factoring ability.
CK-12 Foundation
Ck 12: Elem Math: Compare With Multi Step Addition and Subtraction Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare numbers in a word problem using multiple operations to find given values and the solutions to the questions posed in the problem. The...
Other
Ohio Department of Education: Fifth Grade Achievement Test (Practice Test) [Pdf]
Half-length practice test for the third grade OAT (Ohio Achievement Test). The test includes 17 multiple-choice and 3 open-response question dealing with topics such as measurement (unit conversion, time), geometry (volume, area), data...
George Mason University
Lesson Plans: Whole Number Algorithms Base Ten Blocks
Brief lesson plans that show how to use base ten blocks to do all four operations and a little bit of algebra.