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...
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.
National Council of Teachers of Mathematics
Nctm: Illuminations: Interactive Times Table
Use this interactive multiplication table to practice the multiplication facts through 9 X 9. CCSS.Math.Content.4.OA.A.1 Interpret a multiplication equation as a comparison
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.
Harvey Mudd College
Mudd Math Fun Facts: Pascal's Triangle
This tutorial defines and and demonstrates Pascal's triangle.
Teaching Treasures Publications
Teaching Treasures Picture Math Grades K 1 (Page 5)
Add and subtract pictures and numbers in this easy to use interactive worksheet. A great tool for a quick practice. Problems are presented in a horizontal format.
Quia
Quia: Multiplication Madness Fives & Sixes
Do you need practice learning and remembering your multiplication facts for the fives and sixes? This flash card practice is the web site for you! There is a link to a list of the numbers being used so you can check your answer.
Quia
Quia: Multiplication Madness Fives & Sixes
Do you need practice learning and remembering your multiplication facts for the fives and sixes? This word search is the web site for you! There is a link to a list of the numbers being used so you can check your answer.
Cool Math
Coolmath: Coolmath4kids: Demolition Division
Solve division problems to destroy enemy tanks and defend your base! Contents: Division facts to 12
Can Teach
Can Teach: Grab and Add
Students will practice their addition skills through this game. Lesson plan indicated for 1st-3rd grades.
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.
Khan Academy
Khan Academy: Making Small Numbers in Different Ways
Practice making a number by adding other numbers. All numbers in these problems are less than 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Shodor Education Foundation
Shodor Interactivate: Lesson: Clock Arithmetic and Cryptography
This lesson plan is designed to guide students in practicing their basic arithmetic skills by learning about clock arithmetic and cryptography. Linked resources include helpful applets.
NumberNut
Number Nut: Subtracting Through Twenty
Review or learn the basics of single-digit subtraction in this concise lesson that has related vocabulary and strategies for solving subtraction problems. This lesson includes lots of examples and links for two interactive subtraction...
NumberNut
Number Nut: Subtracting More Than Two Values
Get the facts on how to subtract more than two values in this short subtraction lesson. This lesson offers step-by-step examples, suggested strategies and shortcuts, and links to related interactive games. Both games are fast-paced and...
![Paul's Online Notes: Trig Cheat Sheet [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Paul's Online Notes: Trig Cheat Sheet [Pdf] Unknown Type")
Paul Dawkins
Paul's Online Notes: Trig Cheat Sheet [Pdf]
A trigonometry "cheat sheet" to use as a reference when completing trigonometry homework. Lists basic facts, properties, identities, formulas, and inverse trigonometric functions.
University of Cambridge
University of Cambridge: Nrich: Angle A
Sharpen your logic and angle recognition skills by working on this interactive challenge. Solution available.
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
You can challenge a friend to play this game to practice your arithmetic skills. Be ready because any kind of problem can pop up. You can adjust the problems to make them harder and also to give you less time.
Other
Allmath.com: Multiplication Table
This multiplication table is a 15 x 15 grid. It can be used as a student resource online or as a printout.
Other
Tufts University: Early Algebra, Early Arithmetic
This online resource is from the Tufts University offers lesson plans, worksheets, and ideas about using algebra with elementary grade levels.
Cool Math
Coolmath: Coolmath4kids: Printable Flash Cards
Find here flashcards for addition, subtraction, multiplication, and division for printing off and coloring.
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.
University of Cambridge
University of Cambridge: Nrich: Counting Cards
On this one page website sharpen your logic and factor skills while working on this challenge. The solution is available to double check your solution.
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