Curated OER
Invitation to Integers
Students find zero pairs and add integers using zero pairs and a number line. They generalize rules for adding integers. Students complete a matching activity on the Internet that helps them practice adding integers.
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
Curated OER
Counting Money
Students read, write, and identify different coin combinations and use this information in real-world situations.
Curated OER
Ants in Your Pants
First graders read "One Hundred Angry Ants" by Elinor Pinczes. They identify various sums that equal ten and display them on a chart.
Curated OER
Properties: Commutative, Associative, and Identity
Students explore the concept of addition and multiplication properties. In this addition and multiplication properties instructional activity, students create a foldable with the properties commutative, associative, identity, and...
Curated OER
Millennium Bridge
Students read and plot coordinates in all four quadrants and state where a shape will be after translation. They explore the concept of translation using a a four quadrant grid of the of River Tyne running through all 4 quads. In...
University of Saskatchewan (Canada)
Emr: Exercises in Math Readiness
Practice your mental math skills with this site, where practice problems in addition, subtraction, multiplication, and division abound. Introductory, intermediate, and advanced levels are available. Just type in your answer and you'll...
National Council of Teachers of Mathematics
The Math Forum: K 12 Math Problems, Puzzles, Tips & Tricks
At this site us these tips & tricks to help students become better mental mathematicians.
Varsity Tutors
Varsity Tutors: Aplus Math: Multiplication Flashcards
Practice basic multiplication facts using online flashcards. The game keeps track of how many of the attempted flashcards you get correct, and lets you know your percentage. Did you input an incorrect answer? Don't worry, a message with...
Varsity Tutors
Varsity Tutors: Aplus Math: Multiplication Hidden Picture (Non Java)
Uncover the hidden picture by correctly choosing answers to basic multiplication facts. This fun interactive online game will have your students asking to practice their math!
AAA Math
Aaa Math: Estimation
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
AAA Math
Aaa Math: Estimating a Sum by Rounding
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.
Other
Curious math.com: Math Is an Attitude
This site offers numbers tricks to help multiply and divide large numbers mentally. There are also tricks for powers and roots of numbers.
AAA Math
Aaa Math: Adding Tens
This game helps you practice adding tens. You will get to see a percent score of the answers you have correct, as well as running totals of the answers you have correct and incorrect.