Curated OER
Paint Plus
Using the computer and the Paint program, Students explore the different tools available in the paint program, and then create a picture showing two sets of pictures and an equation.
Curated OER
Addition and Subtraction Facts To 20
First graders use manipulatives, flash cards, number sentences and story problems to practice their addition and subtraction facts to twenty.
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
That Quiz
That Quiz: Practice Test: Arithmetic
Test your arithmetic skills in addition, subtraction, multiplication and division problems. There are 13 levels and the test may be taken with or without a timer.
PBS
Pbs Learning Media: Figuring Out Elapsed Time
In this video segment from Cyberchase, through addition and regrouping in base sixty, Matt helps Digit figure out what time his CyberSouffle will be done.
OER Commons
Oer Commons: The Effects of Positive & Negative Numbers
Seventh graders explore what happens to a hot air balloon when they add or remove units of weight or heat. This activity is an informal exploration of addition and subtraction with positive and negative integers.
CK-12 Foundation
Ck 12: Elem Math: Adding Fractions With Different Denominators
[Free Registration/Login may be required to access all resource tools.] This begins with a video that gives a list of steps and describes how to add fractions with unlike denominators. Following the video is practice problems adding two...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Lengths Metric Units
[Free Registration/Login may be required to access all resource tools.] Practice problems involving addition or subtraction of 3 measurements to solve for a specific length.
Doina Popovici
Math Play: Fractions Jeopardy
Assess your knowledge of adding, subtracting, multiplying, and dividing fractions with a game of jeopardy.
Texas Instruments
Texas Instruments: 100 or Bust
In this activity, students explore the operations of addition and subtraction. They use estimation, a place value chart, and a calculator to place seven randomly generated numbers in the ones and tens position in a place-value chart to...
Quia
Quia: Addition Level 1
Students can practice addition facts using the interactive matching games on this site.
CK-12 Foundation
Ck 12: Algebra: Applications of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve applications that involve adding and subtracting rational expressions. Students watch a video tutorial, explore guided notes and...
CK-12 Foundation
Ck 12: Algebra: Applications Using Linear Models
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving word problems. Students watch a video tutorial, explore guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Compound Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving compound inequalities.
CK-12 Foundation
Ck 12: Algebra: Solving Absolute Value Inequalities
[Free Registration/Login may be required to access all resource tools.] Students explore the concept of solving absolute value inequalities by watching a video, examining guided notes and attempting practicd problems.
CK-12 Foundation
Ck 12: Arithmetic: Sums of Mixed Numbers
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the sum of mixed numbers by renaming fractions with a common denominator. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Elem Math: Identifying Numbers Based on Statements Involving Place Value
[Free Registration/Login may be required to access all resource tools.] Students practice solving addition problems using place value concepts.
Math Slice
Math Slice: Printable Flash Cards
Create and print your own flashcards by selecting a skill and number range from 1-20. Choose from addition, subtraction, multiplication, or division.
BBC
Bbc: Skillswise: Addition
This Skillswise site focuses on addition. Included are a video about why learning to add is important, fact sheets about addition, quizzes on the information presented, and games to practice the skill. Be aware that this is from Great...
Khan Academy
Khan Academy: Addition Word Problems Within 10
In this exercise, students practice addition word problems within 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Addition Word Problems Within 10
Practice solving word problems by adding small numbers (numbers 10 or less). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Is Fun
Math Is Fun: Word Questions: Elementary Addition
Work against a timer as you test your ability to add and to solve word problems. Use number-line clue for help and score points. Fun activity for individuals, small groups, on an entire class.
CK-12 Foundation
Ck 12: Elem Math: Relating Addition and Multiplication
[Free Registration/Login may be required to access all resource tools.] The video lesson explains the relationship between repeated addition and multiplication. The video is followed by a series of practice questions to assess student...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting to Determine the Longest
[Free Registration/Login may be required to access all resource tools.] The video [0:34] describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics...