National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Dividing Fractions
This site has an explanation of how to divide fractions by multiplying the reciprocal of the denominator. It explains why you invert and multiply! This site also contains links to numerous Math Forum sites pertaining to fractions,...
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Operations on Real Numbers
A tutorial will guide you through the rules and steps for adding, subtracting, multiplying, and dividing real numbers, as well as evaluating numeric expressions and using order of operations. Contains step-by-step solutions to example...
Khan Academy
Khan Academy: Order of Operations Challenge
Practice solving more challenging problems using the order of operations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Nearpod: Equations & Inequalities (Numeric/symbolic)
In this lesson on solving equations and inequalities, students explore the solving equations and inequalities are the same and different by exploring the effects of negative numbers and using inverse operations when solving side by side.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Introduction to Variable Expressions
A tutorial that covers evaluating and simplifying different types of expressions. Find definitions and examples of exponential notation, order of operations, variables, and algebraic expressions, and complete practice exercises through...
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.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Multiply and Divide Fractions
This Math Page tutorial explains how to multiply and divide fractions and then features a practice exercise.
National Council of Teachers of Mathematics
The Math Forum: "Make One" Operations W Fractions Game
This card game will help students review the basic operations with fractions. The materials needed, the rules of the game, and several follow-up activities are provided here for the teacher as a lesson plan.
Queen's Printer for Ontario
E workshop.on.ca: Number Sense and Numeration, Grds 4 6: Addition, Subtract [Pdf]
Volume 2 of an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teaching addition and subtraction to students in grades 4 through 6. Include a series of suggested activities.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Fractions Into Decimals
This Math Page tutorial explains how to change a fraction to a decimal and features a practice section at the end of the lesson.
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...
Discovery Education
Discovery Education: Web Math: Crunch a Numerical Expression (No Variables)
Use this "math solver" to help you understand and evaluate any numerical expression that does not involve variables. Simply type your expression in, and allow this website to provide step-by-step instructions on how to evaluate the...
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Other
Casting Out Nines: A Math Computation Checking Strategy
It's a mathematician's dream come true. An easy trick for checking mathematical computations, without a calculator! Believe it or not, it works with all four operations.
AAA Math
Aaa Math: Comparing Fractions
Explains how to compare fractions with unlike numerators and denominators, and includes games to practice this skill.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Fraction Equivalence, Ordering, and Operations
A guide to support parents as they work with their students in fraction equivalence, ordering, and operations.
Better Lesson
Better Lesson: Learning About the Orders of Operations
SWBAT to use the orders of operations to solve numerical expressions.
AAA Math
Aaa Math: Comparing Fractions Like Denominators
This personal site explains how to compare fractions with the same denominator, gives examples, and includes games to practice the new skill. CCSS.Math.Content.3.NF.A.3.d Compare two fractions with the same numerator or the same...
Other
Smart Math Worksheets: Math Worksheets
Cover a great deal of content with these downloadable worksheets. Topics include fractions, division, addition, numeration, geometry, subtraction, multiplication, integers, decimals and algebra.
Other
Link to Learning: Number Sense and Numeration
Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Number Sense and Numeration expectations in the Ontario Math curriculum for Kindergarten to Grade 8.
Other
Link to Learning: Number Sense and Numeration
Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Number Sense and Numeration expectations in the Ontario Math curriculum for Kindergarten to Grade 8.
Math Slice
Math Slice: Fraction Operations
This resource allows students to practice fraction computations. Students are able to select parameters that include the type of operation, numerator and denominator max and min, common denominator, and improper fraction. There are ten...
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...
Alabama Learning Exchange
Alex: Calendar Fun Operations
This activity is designed to help students evaluate numerical expressions by using order of operations. The students will be provided a calendar for the current month of the year. Students will then be provided with a worksheet that...