Better Lesson
Better Lesson: Cheerful Shoppers
Second graders love to shop! Students will use their own shopping list to compose a word problem using addition and subtraction with and without regrouping, in order to help them better understand how to problem solve.
Texas Instruments
Texas Instruments: Math by Hand App
This App allows students to review how to perform algorithms for the four basic operations. The three modes - the step-by-step mode, fast mode, and the Missing Pieces game allows students to learn, review, and understand the concepts for...
Mangahigh
Mangahigh: Number: Add and Subtract Tens and Hundreds
Determine the sum and difference when adding and subtracting tens and hundreds.
Math Slice
Basic Math: Counting
This resource covers counting, addition, and subtraction where students can choose a range of numbers to ten. After selecting parameters students complete ten problems with instant feedback and an opportunity to practice again.
Khan Academy
Khan Academy: Take Apart
In this exercise, students practice subtraction by using visuals to take numbers apart. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Elem Math: Adding, Subtracting, and Multiplying Missing Number
[Free Registration/Login may be required to access all resource tools.] A learning module where students must apply the order of operations to find the missing numbers in equations involving addition, subtraction, and multiplication. A...
Other
Kid's Page Archive: Free Printable Math Worksheets
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving One Step Equations
Twenty-five problems present a variety of practice solving one-step equations with addition and subtraction. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Adding and Subtracting Polynomials
Twenty-five problems present a variety of problems adding and subtracting polynomials. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution"...
Room Recess
Math Facts Game
Math Facts Game is game that allows for a flash card race method to allow students to practice basic math skills such as addition, subtraction, multiplication and division.
Math Slice
Math Slice: Number Sense Math Drills
A group of topics that include counting with pictures to 20, sums to 100, finding the missing number in a sequence, multiplication, expanded and standard form, and basic computation practice with addition, subtraction, multiplication, or...
University of Cambridge
University of Cambridge: Nrich: Routes 1 and 5
Sharpen your logic and basic arithmetic skills while working on this challenge. Solution.
University of Cambridge
University of Cambridge: Nrich: 2, 4, 6, 8
On this one page website sharpen your logic, addition, and subtraction skills while working on this challenge. The solution is available to double check your solution.
DLTK
Kidzone: Math Worksheets
This site provides printable worksheets for basic math operations. Organized by grade level, concept & theme.
Teaching Treasures Publications
Teaching Treasures: Year Two Math (Page 1)
Improve your computation skills using this interactive worksheet. Review two digit addition and subtraction facts. This worksheet gives students immediate feedback and is a suitable tool for short assessments or independent practice.
Teaching Treasures Publications
Teaching Treasures: Year One Timed Mental Math (Page 2)
Learners are challenged to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given.
University of Waterloo (Canada)
University of Waterloo: Order of Operations
A quick game in which students must evaluate an arithmetic expression involving three numbers and any of the four basic operations (addition, subtraction, multiplication, division). Students must be careful to do the operations in the...
Khan Academy
Khan Academy: Adding & Subtracting Rational Expressions (Advanced)
Have you learned the basics of rational expression addition/subtraction? Great! Now dig deeper with some advanced examples.
Scholastic
Scholastic: Math Maven's Mysteries: The Cuckoo Caper
The famous Clockenheimer Cuckoo is missing from Clockenheimer Clocks on Main Street! Help Math Maven get it back by solving a math riddle.
Books in the Classroom
Carol Hurst's Children's Literature Site: Computation and Picture Books
This sample chapter from Hurst's book Picturing Math is an excellent resource for using picture books and activities for learning computation.
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
Knowledge Share
Super Kids: Math Worksheet Creator
The math worksheet creator allows teachers to create their own math drill worksheets. Teachers can select the type of problem, determine how many numbers they want to use and then just click a button and the worksheet is automatically...
Learning Wave Communications
Learning Wave: Fractions
This resource contains information about fractions and includes ratios, equivalent fractions, basic operations, and reciprocals. Several links for practice problems are also included, along with links to a post and pretest.
Texas Instruments
Texas Instruments: Putting Things in Place
In this activity, students investigate the value of the digits in $8,205.50 and determine the number of thousands, hundreds, tens, ones and even the number of dimes and pennies. The concept is then extended to additional situations. They...