CK-12 Foundation
Ck 12: Algebra: Numerical Expression Evaluation With Basic Operations
[Free Registration/Login may be required to access all resource tools.] In this lesson students evaluate variable expressions using addition, subtraction, multiplication and division. Students examine guided notes, review guided...
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.
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,...
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.
CK-12 Foundation
Ck 12: Algebra: Expressions for Real Life Situations
[Free Registration/Login may be required to access all resource tools.] Use the order of operations and variable expressions to solve real-world problems
University of Waterloo (Canada)
University of Waterloo: Arithmagic: Mental Math
Test your mental math skills in arithmetic. How many questions can you answer in one minute? Good luck!
ClassFlow
Class Flow: Equation Scrabble
[Free Registration/Login Required] This game is similar to the popularly played game of Scrabble. Instead of using letters to spell words, students use numerals and operations to create balanced equations.
AAA Math
Aaa Math: Comparing Fractions
Explains how to compare fractions with unlike numerators and denominators, and includes games to practice this skill.
CK-12 Foundation
Ck 12: Algebra: Expression Evaluation With Powers
[Free Registration/Login may be required to access all resource tools.] Use the order of operations to evaluate powers in numerical and variable expressions
Alabama Learning Exchange
Alex: Integers Are Rising and Falling Everywhere!
Students will expand from the idea of not only identifying signed numbers but to use them for numerical operations. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone...
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,...
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...
Better Lesson
Better Lesson: Kicking Off the Year With Counting
SWBAT match a numeral with its written digit form for numbers below 20 and learn the meaning of digit and numeral.
Illustrative Mathematics
Illustrative Mathematics: Making Cookies
This tasks lends itself very well to multiple solution methods. Students may learn a lot by comparing different methods. Students who are already comfortable with fraction multiplication can go straight to the numeric solutions given...
Better Lesson
Better Lesson: Making a Ten
Making ten is one of the foundational strategies for developing flexible numerical thinking, accuracy, and efficiency.
Illustrative Mathematics
Illustrative Mathematics: Video Game Scores
Standard 5.OA.2 asks young scholars to "Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them." This task asks students to exercise both of these complementary skills,...
Mangahigh
Mangahigh: Number: Solve Word Problems
Solve real life word problems using the four operations in math.
Mangahigh
Mangahigh: Number: Solve Word Problems: Money and Measurement
Solve real life word problems involving money using the four operations.
Better Lesson
Better Lesson: Introducing a Number Line
SWBAT place numerals in order from least to greatest on a number line.
Khan Academy
Khan Academy: Evaluate Radical Expressions Challenge
Evaluate numerical radical expressions using the properties of exponents.
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.
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...
CK-12 Foundation
Ck 12: Arithmetic: Commutative Property With Products of Fractions
[Free Registration/Login may be required to access all resource tools.] Identify and apply the commutative and associative properties of multiplication in fraction operations with numerical and variable expressions.