EngageNY
Replacing Letters with Numbers II
Teach about properties properly. Individuals investigate the commutative and identity properties for both addition and multiplication. They see that the properties hold true for all values by using substitution to test out several examples.
EngageNY
Writing and Evaluating Expressions—Multiplication and Division
Don't table the resource on writing expressions for relationships in tables. Scholars investigate relationships between variables and write algebraic expressions involving multiplication and division. These expressions help solve...
Curated OER
Are Colleges Still Affordable?
Students investigate mathematical model that compares cost of higher education to potential earnings in order to decide if the investment is a good one. They compute amount to be repaid each year for the life of a student loan and then...
Curated OER
Birthdays and the Binary System
Students explore binary mathematics. In this middle school mathematics lesson, students investigate patterns and place value in the binary system. Students examine applications of binary mathematics by creating a birthday-guessing device.
Curated OER
Mathematics of Fair Games
Students examine mathematicians' notion of fairness in games of chance. They work in pairs to perform three different experiments using macaroni and paper bags. They record their results on charts and compare their data.
Curated OER
Investigation - Representing Place Value
Third graders demonstrate models to represent a 3 digit counting number. They use manipulative materials to represent place value in whole numbers. Students represent numbers in expanded notation.
Curated OER
Investigation - Dividing a Candy Bar
Fourth graders explore dividing equally. They divide three-digit divisors by one and two digit divisors. Students work real life division problems. They examine possible solutions to each problem.
Curated OER
Investigation - Patterns/Functions
Students explore one-to-one correspondence. Through activities, students examine rhythm and patterns. From the patterns discovered, students create a visual representation of the pattern with blocks.
Curated OER
Investigation Area of Geometric Shapes
Fourth graders use triangle paper to design patterns using geometric figures and find the areas of those figures by counting units. Students are assessed by determining which figure has the greatest area and explaining their reasoning.
Curated OER
Investigation - Distribution
Students match match one notice with one child for all children in their group. They will determine the correct number of notices needed by for the children in their group. Through activities, students discover one-to-one correspondence...
Curated OER
Investigation - The Bakery Shop
Students use manipulatives to establish quantity. By singing a song titled "Five Little Cookies," students determine which strategy to use to find out how many cookies are left in the bakery shop.
Curated OER
Investigation- I've Got It
Students practice grouping skills by sorting footwear of the class as a whole group. Activity can be extended by having individual students sort a variety of colored items using a sorting mat.
Curated OER
Investigation Can You Build This?
Students work in small groups to explore spatial relationships while building with color cubes. Students must identify positions of blocks to partner, recreate a model, and color a sketch of their structure appropriately.
Curated OER
Investigation - Peg Race
Students explore time by comparing the duration of an egg timer with how many pegs they can put in a pegboard. They experience one on one correspondence, as they place a peg in the whole. Students discover estimation of time and number...
NY Learns
Investigation - What's in the Bag?
If you have or can create a set of tiles, numbered one through eight, then you can implement this hands-on lesson about probability models. Individuals draw a tile from a bag, record its number, and then return it to the bag. They...
Curated OER
Investigation - Patterns/Functions
Learners will display the first five rows of Pascal's Triangle and discuss in their groups what patterns they see in the rows of numbers. They will give responses and discuss that these numbers form what is called Pascal's Triangle.
Curated OER
Investigation - What's the Number?: Division
Seventh graders explore number sentences using a variety of strategies making each equation a true sentence. Students examine strategies such as patterns, trial and error, working backwards, and related problems. In groups, 7th graders...
Curated OER
Investigation-Reasoning and Proof
The class explores even and odd numbers.They discuss the results when even numbers are added and when odd numbers are added together. Then work in pairs to find other odd and even pattern examples.
Curated OER
Alfalfa Butterfly/Caterpillar Lifecycle Investigation
Young scholars collect and record data. They identify sex of butterflies. They make conclusions based on collected data.
Curated OER
Investigation- More than 4- Less than 5
Seventh graders practice combining decimals and fractions to find sums which are either greater than 4 or less than 5. Students first approximate the value of each fraction and decimal, then they look for combinations to fit the guidelines.
Curated OER
Investigation - How Tall is the Average Sixth Grader?
Learners will measure each other and record the data in inches. They will use a stem and leaf plot to display data and figure out the average height of the students in a class. The other statistical data will be collected like the mode...
Curated OER
Investigation- On The Surface
Students will examine solids to determine which has the least surface area. They will also understand the use of units, square units, and cubic units. There is also the teaching and application of geometry formulas to perform calculations.
Curated OER
Triangle Inequality Theorems Investigation
Students estimate and measure triangles. In this geometry lesson, students identify the relationship between three sides and a triangle. They use the inequality theorem to decide if a triangle will be formed or not.
Teach Engineering
Investigating Torque
Torque--a teachable moment? Here's a lesson on torque (or moment) and variables that include size, reinforcement, structural bracing, and material that affect torque.