Chymist
Writing Chemical Equations
Communicate chemistry clearly with a concise guide to writing chemical equations. It covers everything from the parts of a chemical equation to the different types of reactions that budding chemists may encounter.
Mathematics Assessment Project
Cross Totals
Finally, it all adds up. Learners complete a number puzzle in which they investigate the sums of the digits one through nine in a cross pattern. They then try to determine what totals are possible and which ones are...
Illustrative Mathematics
One, Ten, and One Hundred More and Less
What's 1 more or less than a number? What's 10 more or 10 less than a given number? What's 100 more or 100 less than a number? These are the types of problems learners must answer in a six-question worksheet.
Illustrative Mathematics
Multiples of Nine
Which numbers are multiples of 9? Task class members to find the first ten multiples of 9 in a straightforward assessment worksheet.
Alabama Learning Exchange
Triangle Area: No Height? Use the Sine
No height? No problem! Learners use their knowledge and a little help from GeoGebra to develop the Law of Sines formula. The Law of Sines helps to determine the height of triangles to calculate the area.
Alabama Learning Exchange
Building Functions: Inverse Functions from Tables and Graphs
Is the inverse a function? Scholars learn how to examine a function to answer this question. Using an online interactive, they examine the properties of inverse functions to compare to the original function.
Alabama Learning Exchange
Unit Circle: Special Angles—Just Know One
It's all about the patterns! Young scholars learn that the unit circle repeats itself in all four quadrants. Using these patterns, they evaluate the sine, cosine, and tangent of special angles.
Mascil Project
Arranging Tables for a Birthday
Planning a party of 45 guests may be more complicated than it would seem. Learners must design the space in accordance with these constraints about the space available in the room. They need to calculate area, circumference,...
American Statistical Association
Chunk it!
Chunking information helps you remember that information longer. A hands-on activity tests this theory by having learners collect and analyze their own data. Following their conclusions, they conduct randomization simulations to...
Curated OER
The Circle's Measure
Students explore circumference and diameter. In this math lesson plan, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of...
Curated OER
Metric Meals
Sixth graders investigate metric measurements. In this metric measurement lesson, 6th graders explore mass, capacity, and length. Students examine graduated cylinders and balance scales to obtain measurements. Resources are provided.
Curated OER
Two Digit Addition with Regrouping
Students explore the concept of "regrouping." For this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
Curated OER
Shop 'Til You Drop
Students evaluate food prices. In this real world math lesson plan, students compare the cost of various grocery items to determine which is the best deal. They work in groups using grocery ads to decide how to get the most product for...
Curated OER
The Grapes of Math
Students "think" through mathematical problem solving and provide solutions using a variety of strategies after listening to Greg Tang's book, The Grapes of Math.
Curated OER
Symbolic Math Guid App
High schoolers explore problem solving with the TI-89 or Voyage 200. In this secondary mathematics lesson, your learners will investigate the Symbolic Math Guide Application which assists students with problem solving strategies by...
Curated OER
Acting Like a Hog
Young scholars explore game theory. In this secondary mathematics lesson plan, students investigate the playing of a game called Hog which involves rolling dice. Young scholars explore many different scenarios as they...
Curated OER
How the West Was One - Three x Four
While this activity provides a motivating and interesting way to review the concept of the order of operations, it involves the use of software called How the West Was One + Three x Four. There are also other resources that are...
Curated OER
Doubling and Halving
In this mathematics instructional activity, students identify how to solve by doubling and halving. They use strategies like doubling and thirding to calculate answers to each of the equations on the sheet.
Curated OER
Adding and Subtracting Up to 5
Basic addition and subtraction need to be mastered before moving on to more challenging mathematics. This resource provides learners with one addition and one subtraction problem. They read the explanation included to learn how to solve...
Curated OER
Writing Directions for Mathematical Activities
Fifth graders reorganize comic strips to have them make sense, complete outline and organize their thoughts into outline form to explain directions,
and use that outline to complete their own directions for geometry activities.
Curated OER
Mathematical Models with Applications: What's Your Rate of Change?
Students use regression methods available through technology to select the most appropriate model to describe collected data and use the model to interpret information. They use numeric techniques to write the equation of a line that...
Curated OER
Prime and Composite Numbers with use of manipulatives (Elementary, Mathematics)
Pupils learn what prime and composite numbers are. They learn how to identify them by working in a group and demonstrating an understanding of one work problem with 100% accuracy using the manipulatives provided.
Curated OER
Basketball And Mathematics
Eighth graders collect and analyze data about foul shots taken at basketball games.
Curated OER
Analysing a game
Students play a game called 'Limit 2' and analyse their moves in order to establish a winning strategy. The subtraction game in this activity is one of a number of games in a unit called 'Analysing games' in the above publication.