Curated OER
Clock Fractions
Elementary schoolers generate and manipulate fractions. They review equivalent fractions and use an analog clock to create and add fractions. Pupils work in groups to complete two fraction worksheets.
Illustrative Mathematics
Midpoints of the Sides of a Paralellogram
This task asks learners to prove that the segment joining the midpoints of two sides of a parallelogram is both congruent and parallel to an adjacent side of the parallelogram. The activity would be good to use in a discussion about how...
Illustrative Mathematics
Why Randomize?
Your statisticians draw several samplings from the same data set, some randomized and some not, and consider the distribution of the sample means of the two different types of samplings. The exercise demonstrates that non-random samples...
Curated OER
I am Proud To Be a 2nd Grader
Second graders discuss the need for each one to meet educational expectations. They draw pictures and write a summary to explain important behavior for a 2nd grader. In groups, 2nd graders discuss the importance of following rules, and...
Curated OER
Life Before Kindergarten
Students investigate the life that takes place before going to kindergarten. They brainstorm about some of the key events that are common for children entering school. Students create two drawings about life before kindergarten and...
Balanced Assessment
Initials
Learners explore the meaning of groups formed through permutations and combinations with an activity that asks individuals to determine the total number of pupils needed to guarantee that at least one pair has the same initials....
Curated OER
"Pi" Day
Your class will complete research dealing with Pi and its value in mathematics, leading into a discovery lab to demonstrate Pi, how it is determined, and how it is used. In the end, students eat PIE!
Curated OER
MP3 Purchase Plans
Use algebra to solve real world problems. Mathematicians practice use of graphs, tables, and linear functions to solve a problem regarding mp3 purchase plans. They work in groups to solve the problem and present their findings and...
Curated OER
How Does Your Population Grown?
Do you know how the population has grown of your community? Can you predict the population over the next half century? Can we find an algebraic model that matches our data? These along with many more questions can be researched by...
Curated OER
Geometry, Measurement & Reasoning
Students complete worksheets involving rotational symmetry. In this geometry lesson, students complete worksheets to identify rotational symmetry and rotations. They compare and contrast rotated figures. Students examine the relationship...
Curated OER
Mathematical Properties
Seventh graders discuss the associative property of math. They are to find examples of the property and others. They also write in their journals about what they learned.
Curated OER
Grade 2: Roll or Slide?
Second graders organize solids into categories, depending upon whether they will roll, slide or do both on a home made ramp. Students describe and compare attributes of three-dimensional geometric solids.
Curated OER
Jellybeans
In this online math challenge, students determine how many students are in a classroom considering a total number of jellybeans and how many each student received. A solution is available.
Curated OER
Monkey Subtraction
Students listen to the book Five Little Monkeys Sitting In a Tree, identify written numbers 0-9 and the symbol for subtraction; students subtract two single digit numbers using manipulatives, and recite the corresponding number sentence.
Curated OER
Proof by Induction
Twelfth graders define and prove theorems using induction. In this calculus instructional activity, 12th graders differentiate between inductive reasoning and deductive reasoning. They review sigma notations and work proofs by induction.
Curated OER
Right Place, Right Time
Fourth graders complete mathematical word problems. They study the relationships among distance, speed, and time; and measure travel distances. They measure distances using a piece of string and a ruler and practice converting several...
Pennsylvania Department of Education
Making Cubes
Third graders explore vocabulary associated with three dimensional figures. In this transformations instructional activity, 3rd graders create two dimensional nets for three dimensional figures. Students become familiar with...
Curated OER
McONE Hundredth Day
Students explore the components of a calendar and counting through the preparation and celebration of the "One Hundredth Day" of school. Badges are worn and McDonald fries are enjoyed in the celebration.
Curated OER
The Truth About Triangles And Proofs
Students engage in a instructional activity that is about the classification of triangles and the mathematical proofs involved in working with them. They work on a variety of problems that are created by the teacher with the focus upon...
Curated OER
Division Equations
In this division worksheet, students solve algebraic problems containing fractions. This one-page worksheet contains 11 problems. Answers are provided. This worksheet may be completed on-line or produced in printed form.
Curated OER
Who Takes Care of the Maya Forest Corridor?
First graders study the animals in the Maya Forest Reserve. In this conservation lesson, 1st graders create a graph to compare the environment of animals to their own. They design a 3D model of these two environments.
Curated OER
Finding the Percent of a Number
In this mathematics worksheet, 6th graders find the percents of various numbers. They set up the problem, estimate, and write their response. Students also compare their answers to their estimates for each problem.
Curated OER
Scientific Notation, Significant Figures and the Factor-Label Method of Solving Problems
For this scientific notation, significant figures, and factor-label method, learners solve 1 problem where they perform mathematical functions and identify their answer in scientific notation with the proper number of significant...
Curated OER
March of the Dividing Ant
Students inspect divisibility rules. In this divisibility rules lesson, students study the relationship between factorization and the divisibility rules for 2, 3, 5, 6, 9, and 10. Students read One Hundred Hungry Ants and A Remainder of...