Buffalo State
Adding and Subtracting Positive and Negative Integers
A well-rounded unit on positive and negative integers is a great addition to your middle school math class. Learners work through five activities, each focused on a different skill, before playing a Game of Life to practice the...
National Security Agency
Time After Time
Save those precious minutes and hours spent planning math lessons with this mini-unit on telling time. Offering a series of engaging hands-on and collaborative learning activities, these three lessons teach children how to read...
Partnership for Educating Colorado Students
Mayan Mathematics and Architecture
Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...
Bowland
In the Olympics, are Women Improving Faster than Men?
Will the time come when women outperform men at the Olympic Games?Scholars investigate gender differences in Olympic Games performances. They study the historical participation of women and then analyze data to determine if women will...
National Security Agency
Are You Game? A Lesson Connecting Fractions and Probability
Exactly how fair are the board games children grow up playing? Young mathematicians investigate this questions as they work their way through this five-lesson series on basic probability.
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
Curated OER
Olympic Games - Can You Measure Up?
Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...
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...
E-learning for Kids
E Learning for Kids: Math: Igloo: Addition
It takes a lot of math to build an Igloo. Can you help Kirima? Students will learn to select and apply appropriate mental, written or calculator strategies to solve addition problems.
Math Is Fun
Math Is Fun: Estimation Tips and Tricks
Learners investigate estimation tips and tricks. The resource consists of notes about the concept, examples, and some learning games and activities.
PBS
Pbs: Count on It!: Episode 201 Math Is Everywhere, Part I
Blossom and Snappy use counting to answer their questions about quantity. They eat popcorn and try to find out who has more. They go to an ice cream shop where they count ice cream containers using multiplication, and they use math to...
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Addition
On this interactive website students practice various math skills using a real life scenario at a hamburger restaurant. Those skills include adding two-digit numbers and three-digit numbers.
AAA Math
Aaa Math: Front End Estimation of Sums
Students can practice estimating sums using front-end estimation in a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Front End Estimation of Sums
Students use front-end estimation to solve addition problems. Learning exercises and games are provided to practice the skill.
AAA Math
Aaa Math: Front End Estimation: Differences
Students use front-end estimation to solve subtraction problems. Learning exercises and games are provided to practice the skill.
E-learning for Kids
E Learning for Kids: Math: Halloween: Division
Join Jay in the Halloween store and help him decide what to buy!
Other
Plane Math: Activities: Pie in the Sky
Students work in groups to investigate weather and estimating cloud cover. The activity explores estimation, spatial sense, fractions, and patterns. The resource consists of a lesson plan, group activity instructions, lesson overview,...
Other
Plane Math: Activities: Go Fly a Kite
Students work in groups to build their own kite. The activity explores estimation, geometry, measurement, and patterns. The resource consists of a lesson plan, group activity instructions, lesson overview, and an expert page.
Khan Academy
Khan Academy: Multi Step Estimation Word Problems
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Is Fun
Math Is Fun: Estimation (Introduction)
The learning activity examines estimation. The resource consists of explanations, examples with solutions, and a link to estimation games.
Math Is Fun
Math Is Fun: Visual Estimation
Learners investigate visual estimation. The educational resource consists of notes about the concept, examples, and learning games.
E-learning for Kids
E Learning for Kids: Math: Dinosaurs: Symmetry and Estimation: Mass and Symmetry
Students play learning games to explore mass and symmetry.
Scholastic
Scholastic: Study Jams! Math: Addition and Subtraction: Estimate Sum, Difference
Complete this step by step lesson to estimate the sum and difference then test yourself.
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