EngageNY
What Is Area?
What if I can no longer justify area by counting squares? Lead a class discussion to find the area of a rectangular region with irrational side lengths. The class continues on with the idea of lower approximations and...
Illustrative Mathematics
Dan’s Division Strategy
Can Dan make a conjecture about dividing fractions with the same denominators? That is what your scholars are to determine. They must show that if the statement is true, they understand how the quantities were determined, and how...
Curated OER
Rings Around the Racetrack
Students determine the number of laps a driver would need to complete the Indy 500. They calculate the length of time it would take to complete the race at different rates of speed.
Curated OER
BASE-ic Space Travel
In this 3-day place-value lesson, upper-elementary kids investigate the base 5 and base 2 systems as an introduction to exponents and powers. They create a pocket chart to help ground their understanding of bases, exponents, and powers,...
Curated OER
In the Bag!
Learners calculate how many quarters are in a $1,000 bag (after learning the dollar value of filled coin bags). They explain their problem-solving strategy using pictures, numbers, equations, and/or words.
Curated OER
Venn Diagrams & Word Problems
Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and Facebook in a Venn...
Curated OER
I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson plan, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students...
Curated OER
Fraction Facts
Students explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that gives students...
Curated OER
2 digit subtraction
Second graders subtract numbers 0 through 10 from 2 digit numbers using different subtraction methods. In this subtraction lesson plan, 2nd graders practice crossing out numbers in a number line, using a 10, and using their fingers to...
Curated OER
Math Technique in Multiplication and Division of Fractions
Young scholars multiply and divide fractions. In this math lesson, students are given explicit visual instruction of how to work with fractions. Intended for learning disabled young scholars, the teacher demonstrates how to manipulate...
Curated OER
Carry and Borrow
Second graders complete basic math computations. In this addition and subtraction lesson plan, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. ...
Curated OER
Equal Additions
Young scholars explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
Curated OER
Fractions, Decimals, and Gravity
Students discuss how weight is directly related to gravitational force on a planet. Students then choose Space Traveler as companion and compute how much their guide weighs on various planets, based on each planet's relative surface...
Curated OER
Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
Curated OER
Investigating the Probability
Students investigate probability using coins and dice. They collect data, graph, organize and interpret data. They predict, describe, compare, compute and draw conclusions based on what they observe and record.
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Skittles Lab
Students use Skittles as manipulatives to practice computing decimals from fractions, computing decimals into percentages, and creating bar graphs from gathered data.
Curated OER
Graphing Linear Inequalities
Eighth graders extend skills for representing and solving linear equations to linear inequalities. Lesson activities build understanding and skill by plotting ordered pairs of numbers that either satisfy or do not satisfy a given...
Curated OER
The Average Atom - Isotopes
Seventh graders, in groups, complete an Isotopes model and notice that atomic masses are decimal numbers. These masses are an average of all the isotopes of that element.
Curated OER
FREE STANDING STRUCTURE
Students demonstrate basic construction skills by building a free standing structure. They compute the cost of the structure.
Curated OER
I Can Average Grades Like My Teacher!!!
Fifth graders investigate the mean of a data set. In this fifth grade mathematics lesson, 5th graders determine the mean of sets of numbers using a calculator. Students use a blank role book page to create grades for students...
Curated OER
Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
Curated OER
Uncle Bubba Is Dead!
Students spend imaginary inheritance of $100,000 on a home and furnishings.
Curated OER
Geometry In the Yard
Learners are responsible for creating a border around a triangular garden spot, of which they know the measurements for two sides. They use the Pythagorean Theorem to calculate the third side and complete the garden.