EngageNY
Equivalent Rational Expressions
Rational expressions are just fancy fractions! Pupils apply fractions concepts to rational expressions. They find equivalent expressions by simplifying rational expressions using factoring. They include limits to the domain of the...
EngageNY
The Definition of Sine, Cosine, and Tangent
Introduce your classes to a new world of mathematics. Pupils learn to call trigonometric ratios by their given names: sine, cosine, and tangent. They find ratios and use known ratios to discover missing sides of similar...
EngageNY
Describing the Center of a Distribution Using the Mean
Everyone does their fair share. The sixth segment in a 22-part unit presents the mean as a fair share. Groups build a conceptual understanding of the mean of a data set, rather than simply learn an algorithm. Learners use the...
Curated OER
Tangram Toil
Fifth graders find fractional parts of a whole. In this tangram lesson, 5th graders are given a tangram manipulative and must put the pieces together to form a square. Students determine the fractional value of each of the tangram...
Curated OER
What's My Ratio?
Students investigate ratios of various objects. In this ratios of various objects instructional activity, students draw pictures on graph paper and then dilate or shrink the image. Students determine the ratio of their...
Curated OER
How much does soap cost?
Third graders practice the division concept. In this dividing lesson plan, 3rd graders watch a video that gives a simple division word problem. Students work collaboratively to find the solution.
Curated OER
Multiplication Lesson Plan
Students roll dice to come up with 1 digit numbers that they multiply together. In this multiplication lesson plan, students arrange piles of blocks and count them to complete problems.
Curated OER
Two Digit Subtraction
Second graders identify two digit numbers and work with two digit subtraction problems. They use manipulatives to demonstrate each problem.
Curated OER
Scientific Notation II: The Mantissa
Students after completing the Part II (of 2) scientific notation online lab exercises, manipulate and interpret large numbers expressed in the "mantissa and exponent" format of scientific notation.
Curated OER
Scientific Notation I: The Exponent
Students manipulate and interpret large numbers expressed in the "exponent" format of scientific notation.
Curated OER
Fractions
Fourth graders explore fractions. They use Skittles and M&M's to practice adding and subtracting fractions. Students review the numerator and the denominator of fractions. They count the number of each color of Skittles and M&M's...
Curated OER
Word Power
Fifth graders identify a set of data from a real world problem. In this statistics lesson, 5th graders identify the range, mode, median and mean using some manipulatives. They write words randomizing the letters.
Curated OER
Using Inequalities to Problem Solve
Learners explore inequalities. In this Algebra I lesson, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division. Learners use inequalities to solve and graph real-world problems.
Curated OER
Target Number
Learners manipulate five random cards out of a deck of cards to get the target number. In this equations lesson plan, students manipulate cards around with the use of addition, subtraction, multiplication, and division in order to get...
Curated OER
From Probability to Combinatorics and Number Theory
Learners see how division is used to help solve probability problems. They use tables as data structures where they are used to count outcomes and to compute probabilities. Students use games to help solve probability problems.
Curated OER
Three Squirrels and a Pile of Nuts
Students solve story problems using a spreadsheet in combination with various problem-solving strategies. Working in teams of three, students create attempt to solve a story problem using three different methods; using manipulative,...
Curated OER
Properties: Commutative, Associative, and Identity
Students explore the concept of addition and multiplication properties. In this addition and multiplication properties lesson, students create a foldable with the properties commutative, associative, identity, and distributive written...
Curated OER
Sorting By One Atrribute
Students use different color items to sort by color and different attributes of the manipulatives given to them. In this sorting lesson plan, students also write a journal entry or draw a picture of their activity.
Curated OER
Ping Pong Soccer
Seventh graders demonstrate basic soccer concepts using hand-eye coordination and a paddle and a ping pong ball. In small groups, they play a traditional game of soccer, but with each student using a ping-pong paddle with the object...
Curated OER
Internet Field Trip on Fractions and Geometry
Students take an Internet field trip to research fractions. ESOL strategies include using pattern block manipulatives and pairing ESOL and non-ESOL students on computers.
Curated OER
Can I Be Swayed?
Students identify loaded words and examples of bias in print media. They describe how media can be used to manipulate public opinion. Students identify examples of interest groups that use media to sway public opinion in order to impact...
Curated OER
Repeating Patterns
Students explore growth patterns by using manipulatives such as pattern blocks, investigate growth pattern of pattern, record growth in T-chart, describe how pattern is growing, and predict number of blocks needed to extend pattern.
Curated OER
Teach Your Friends Polynomials
Students investigate polynomials. In this ninth or tenth grade mathetmatics lesson, students teach their peers the steps to adding, subtracting, multiplying, dividing, and factoring polynomials. Students create a PowerPoint...
Curated OER
Operations for Problem-Solving
Students examine a problem and develop the best method to arrive at the solution. In this math lesson, students apply basic math skills by coming up with the correct steps to solve a word problem. ...