Curated OER
Adding One to Nine
Give your students a chance to review their basic addition with these twenty-five problems. All problems include single digits, and some problems add up to ten. The problems are presented as column addition problems, making it an ideal...
Curated OER
Law of Sines and Cosines
Students solve problems using sine and cosine. In this precalculus lesson, students apply the properties of sine and cosine to solve non-right triangle problems. They use Heron's Law to find the area of a shape.
Helping with Math
Worksheet: Dividing by 9
Review the nine times facts and then apply those facts to division. With 28 division problems to find quotients for, this makes a terrific assessment. All of the problems have the number nine as a divisor, and an answer key is provided...
Curated OER
Straight Line Graphs
Pupils review the techniques of plotting and reading points on a grid. They identify why facts explaining how to read coordinates as well as the importance of the order in which the coordinates are given. Individual practice of equations...
Helping with Math
Worksheet: Dividing By 10
Working with 10s should become second nature to your mathematicians. Test to see how they are doing with this straightforward assignment. First, they review the 10 multiplication facts. Then they apply them to 28 division problems. Since...
Curated OER
Unit 6 Arithmetic: Multiplication of Decimals
In this multiplication of decimals worksheet, middle schoolers begin by reviewing whole number multiplication skills. They multiply whole numbers by decimals. One problem asks students to determine the decimal placement when numbers with...
Curated OER
Let's Make Subtraction Movies!
First graders make subtraction movies. In this subtraction lesson plan, 1st graders review subtraction facts and subtraction sentences. Students work in groups to create subtraction sentences using cereal or marshmallows. Students then...
Curated OER
Multiply by 6 Riddle
In this multiply by 6 worksheet, 3rd graders review their multiplication skills as they solve 10 problems and then answer the riddle.
Curated OER
Multiply by 7 Riddle
In this multiply by 7 worksheet, 3rd graders review their multiplication skills as they solve 10 problems and then answer the riddle.
Curated OER
Math: Heads or Tails
Seventh graders discover the difference between theoretical and experimental probabilities by designing their own problems and testing them. After conducting their own coin toss trial, they compare their results with an Internet...
Curated OER
Johnny Appleseed Origami
Second graders make an origami Johnny Appleseed. In this geometry lesson students follow folding instructions. They find different geometric shapes while they are folding. They create Johnny Appleseed's body and attach a face and hands...
Curated OER
I'm Done! What Now?
You can use these lesson plans to give your high ability math students something challenging to do when they finish early!
Curated OER
Do I Add? or Subtract?
Fourth graders read a book. In this word problems lesson, 4th graders review the operations addition and subtraction, read the book Sea Sums, learn strategies for determining if they should add or subtract, and solve story problems,
EngageNY
Solve for Unknown Angles—Angles in a Triangle
Assist your class with each angle of geometry as they use exterior angles to form linear pairs with adjacent interior angles. They cover multiple vocabulary terms and work practice problems, complete with justifications, before...
Curated OER
Dissecting the Cube
Students investigate the volume of cones. In this geometry lesson, students define the formula to find the volume of cones. They define the concept of having to dissect a three dimensional figure and find the volume.
Beyond Benign
Can You Hear Me Now? Cell Phone Accounts
How sustainable are cell phones? Throughout the unit, learners explore the issues around cell phones concerning sustainability. Class members take a graphical look at the number of cell phones across the world using a box-and-whisker...
EngageNY
Composition of Linear Transformations 2
Scholars take transformations from the second to the third dimension as they extend their thinking of transformations to include three-dimensional figures. They explore how to use matrices to represent compositions of...
EngageNY
Unknown Angle Proofs—Proofs with Constructions
Provide your emerging mathematicians with the tools to learn as they incorporate auxiliary lines to solve unknown angle proofs in this continuing segment. They decipher information from a diagram to uncover the missing pieces and...
EngageNY
Analytic Proofs of Theorems Previously Proved by Synthetic Means
Prove theorems through an analysis. Learners find the midpoint of each side of a triangle, draw the medians, and find the centroid. They then examine the location of the centroid on each median discovering there is a 1:2 relationship....
EngageNY
Tangent Segments
What's so special about tangents? Learners first explore how if a circle is tangent to both rays of an angle, then its center is on the angle bisector. They then complete a set of exercises designed to explore further properties and...
Curated OER
Starting With Stats
Statisticians analyze a data set of student IQs by finding measures of central tendency and dispersion such as mean, median, mode, and quartiles. They practice using a graphing calculator to find the values and analyze box plots and...
Curated OER
How Many Noses Are in Your Arm?
Middle schoolers apply concept of ratio and proportion to determine length of Statue of Liberty's torch-bearing arm. They view video of Statue of Liberty, determine how long statue's arm would be if its nose measures four feet six...
Curated OER
My Reading Words in My Social Studies Book?
Connect social studies and language arts using this resource. After studying root words, have learners locate five words from their social studies book that have a prefix, suffix, or root word. This puts a new twist on practicing basic...
Curated OER
Halves And Fourths
Young learners start out by going to the board to draw lines through shapes to identify halves. Then they are given a square of paper and are directed to fold the paper into halves and then into fourths. They color the halves...