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Website
AAA Math

Aaa Math: Counting by Twos

For Students Pre-K - 1st Standards
This lesson is about counting by twos from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.
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Website
AAA Math

Aaa Math: Counting by Threes

For Students Pre-K - 1st
This lesson is about counting by threes from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.
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Website
AAA Math

Aaa Math: Counting by Fours

For Students Pre-K - 1st Standards
This lesson is about counting by fours from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.
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Activity
AAA Math

Aaa Math: Counting Even Numbers by Twos

For Students K - 1st Standards
Use this lesson to learn about adding two and skip counting to understanding the concepts of counting even numbers by twos. Play the interactive game "Counting Up By Twos," and get your score instantly.
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Activity
AAA Math

Aaa Math: Counting Even Numbers

For Students 3rd - 5th
At this lesson you can learn, practice, play a game and explore counting even numbers by 2. There are lots of resources to use to learn about even and odd numbers at this website.
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Lesson Plan
Other

Athens State University: Greater Than, Less Than

For Teachers 6th - 8th
A very thorough lesson plan where middle schoolers explore the concept of "less than" and "greater than," using cookies.
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Lesson Plan
Microsoft

Microsoft Education Lesson Plan: Candy Is Dandy

For Teachers 3rd - 8th
Explore color distribution of M&M candies using this detailed lesson plan. An engaging integrated lesson that requires understanding of spreadsheets and formulas, and logical reasoning. Links to related websites.
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Activity
National Council of Teachers of Mathematics

Ntcm: Math Challenge: Perplexing Percentages

For Students 3rd - 8th
Test your bargin shopping skills by figuring out which discount offers the greatest savings. A one page activity from the NCTM Math Challenges for Families series that focuses on understanding and calculating percentages. Connections...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Double or Not

For Students 3rd - 8th
Is "time money"? See if you can figure out exactly how much your time is worth. Explore the concepts of number patterns, time, and money in this one-page activity from the NCTM Math Challenge for Families series. Find out why mastering...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Does Drinking Soda Affect Your Health?

For Students 3rd - 8th
Try this "Real world," challenge taken directly from the today's health journals. Use your problem solving, data analysis, and number sense skills to figure out if soda intake among teenage girls is related to incidences of broken bones....
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Unit Plan
Education Development Center

Tune in to Learning: Get Going With Rate

For Students 9th - 10th Standards
Explore the concepts of rate, distance, and speed in this interactive lesson. Discover how to use formulas to solve word problems and calculate salaries. A concise lesson with excellent examples, connections to real world experiences,...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Misaddressed Mail

For Students 3rd - 8th Standards
Try this probability challenge from the NCTM Math Challenges for Families series. See if you can figure out the probability of putting three checks in the correct envelopes without looking. Also, discover how probability skills are used...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Body Mass What's Your Index? (Pdf)

For Students 3rd - 8th Standards
If you like tackling formulas, then this math challenge is for you. See if you can calculate Helix's BMI (body mass index) and find out if his health is at risk. A one page NCTM Math Challenges for Families activity that engages learners...
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Activity
Math Cats

Math Cat: Fact Family Card

For Students Pre-K - 1st
Everything you need to know about fact families can be found here. Discover what fact families are and learn different strategies for using them. Links included to print your own fact family cards, create a fact family house, and play a...
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Lesson Plan
Oswego City School District

Regents Exam Prep Center: Intuitive Symmetry: Point, Line, Plane, Rotational

For Teachers 3rd - 8th Standards
Investigate the concept of symmetry at this test prep site. See detailed definitions and picture examples, answer the questions in the interactive practice pages, and do the classroom activity where students use a digital camera to...
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Lesson Plan
Oswego City School District

Regents Exam Prep Center: Pythagorean Theorem

For Teachers 6th - 8th Standards
Who was Pythagoras and what is his theorem? Explore this concept and its relationship to the measurement of a right triangle in this test prep lesson plan. The lesson includes an interactive worksheet where students discover the answers...
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Unit Plan
Oswego City School District

Regents Exam Prep Center: Metric Conversions and Rates

For Teachers 9th - 10th Standards
Find out all about measurement in this test prep lesson exploring English and metric measurement. Students can compare metric and customary measurements using the conversion charts, assess how much they have learned using the interactive...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Wheel of Fortune's Frequent Letters

For Students 3rd - 8th
Did you know that letter guessing on Wheel of Fortune is based on probability? In this challenge taken from one of TV's most popular game shows, discover what consonant or vowel should be guessed next based on letters already given. A...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Number Tricks

For Students 3rd - 8th Standards
Can you break the magic number code? Test your algebra aptitude in this challenge that explores number generalizations, symbols, and equations. Discover how algebraic procedures are used in everyday situations in this one page activity...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Gone Fishing (Pdf)

For Students 1st - 3rd
Use your algebraic reasoning to solve this math challenge that explores the relationship between quantities and weights. Try this math challenge from the NCTM Math Challenges for Families series. Also, discover how mastering this skill...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Bar Codes

For Students 3rd - 8th
An exploration of the binary system using U.S. postal zip codes. Discover what numbers the long and short bars in a zip code represent in this one page activity from the NCTM Math Challenges for Families collection.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Which Is Worth More, a Smile or a Frown?

For Students 3rd - 6th
Solve for the value of the smiles and frowns to find out how much a smile is worth, in this activity. A challenge that focuses on number sense, number combinations, and unknowns. Included are examples of how this skill is applied in real...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Do Women Live Longer Than Men?

For Students 3rd - 8th
Use this site to figure out if women really do live longer than men. A math challenge taken from today's health journals that explores data collection, data analysis, patterns, and graphing skills. Learn how mastering these skills can be...
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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Proportionality

For Students 9th - 10th Standards
Acquire a deeper understanding of the concept of proportionality. Concise definitions, detailed examples, and an interactive worksheet to apply what you have learned.