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E workshop.on.ca: Effective Instr'n in Math, K 6: Multidigit Computation [Pdf]
Volume 5 in an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teach basic facts and multidigit computation to students in kindergarten through grade 6.
abcteach
Abcteach: Number Puzzles
[Free Registration/Login Required] Solve the number puzzles as you practice basic addition skills and improve your number sense. The site has challenging activities with varying levels of difficulty.
Other
Technical Tutoring: Basic Math Operations
This tutorial resource provides help with math in addition, multiplication, subtraction, division, identities, powers, and exponentiation.
Teaching Treasures Publications
Teaching Treasures: Year One Timed Mental Math (Page 3)
Try to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given. A suitable tool for use as a quick assessment.
NumberNut
Number Nut: Addition: 3 Digit Numbers
Three digit addition requires working from left to right and may require carrying. Follow the steps in the examples and then practice the skills with the two interactive activities.
NumberNut
Number Nut: Addition: 1 to 10
Explains the concept of addition, and the vocabulary and symbols that are used, with reference to the addition of single-digit numbers.
NumberNut
Number Nut: Let Math Begin With Addition
This introductory addition lesson, explores the relationship between adding and number patterns using a number pyramid designed by mathematician Carl Gauss. A short lesson with interesting facts and links to related games for practicing...
NumberNut
Number Nut: Addition: Carrying
This lesson provides the rules for carrying values in addition by giving examples and the steps involved in the process.
NumberNut
Number Nut: Carrying Like Addition
Use what you already know about addition to master this skill in multiplication. This lesson reviews the concept of carrying in multiplication. Detailed examples are provided along with interactive games to practice the skills learned....
Scholastic
Scholastic: Math Facts
This one page website from Scholastic offers two math facts games and a secret code idea all to help you remember your math facts.
History is Fun
Jan Brett: Addition Facts Flashcards for 4 Pdf [Pdf]
Print out these colorfully illustrated PDF file pages to practice your addition facts when adding a four. Fold them in half and one side shows the problem while the other side shows the problem with the correct answer. Put them in a math...
Quia
Quia: Doubles Facts or Odd and Even
It's double or nothing when you play these fun, interactive games. Review doubles facts in minutes with the Matching or Concentration games. Then, practice identifying odd and even numbers with the interactive flashcards. A quick and...
Scholastic
Scholastic: Math Maven's Mysteries: The Case of the Hatcher Hotel Heist
Help Math Maven solve this mystery! Items are missing from several hotel rooms, but some addition and subtraction clues have been left behind. Use your skills to figure out where the thief will strike next!
Other
Xtra Math
[Free Registration/Login Required] XtraMath is an excellent site for students to practice their basic number facts and develop automatic recall. Teachers can register for a free account and are then guided through the steps for setting...
Quia
Quia: Adding to 10
This website for young children gives them practice adding sums to 10. Problems are presented as teddy bears to add up with the corresponding digits that represent the problem symbolically.
Fun Brain
Fun Brain: Tic Tac Toe Squares (Math Facts Games)
Players practice adding, subtracting, multiplying, and dividing skills while playing virtual Tic Tac Toe. They can also try their hand at squares, cubes, and square roots.
Other
Scweb4free.com: Addition Balloons
Find the sum of the two red ballons among the green ballons in this concise addition game. Practice basic facts through 15. Answers checked instantaneously.
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!
Mr. Martini's Classroom
Mr. Martini's Classroom: Adding With Multiple Choice Answers
Practice addition facts 4 to 9 with this interactive multiple choice activity.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 3
Practice addition facts up to three with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 4
Practice addition facts up to four with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 5
Practice addition facts up to 5 in this interactive exercise.