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Lesson Plan
EngageNY

Solve for Unknown Angles—Angles in a Triangle

For Teachers 9th - 10th Standards
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 taking an...
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Lesson Plan
Curated OER

Broken-Heart Matching Game

For Teachers K - 12th
Students use this fun game to practice, reinforce, or apply a wide variety of skills around Valentine's Day. Each students receives half a heart with zig-zag cuts made of pink construction paper with a piece of information. Their job is...
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Worksheet
Curated OER

Dividing

For Students 3rd - 4th
As mathematicians begin learning long division skills, use these guided problems to help get them some practice with remainders. There are 20 equations here, and each has been completed up to the point of finding a quotient. So, the...
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Lesson Plan
Curated OER

Number Addition Race

For Teachers 1st - 2nd
Practice basic addition facts and measuring skills. In this addition and measurement lesson, students are provided with drywall tape and work in groups of four at a long table. Partners take turns generating addends and marking the...
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Worksheet
Curated OER

Uses of Coal

For Students 4th - 8th
An interesting series of puzzles and word games are available in this multi-page collection, which focuses on coal. Learners practice math and language arts skills as they solve the puzzles, and learn many facts about coal at the same time.
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Lesson Plan
Alabama Learning Exchange

Estimation Station: Why Estimating is Better than Guessing

For Teachers 3rd - 5th Standards
Youngsters discover the difference between estimating and guessing. They estimate how many items are contained in a jar as they read a story. After the story, pupils discover the differences between estimating and guessing and create a...
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Lesson Plan
Illustrative Mathematics

Base and Height

For Teachers 5th - 7th Standards
It is easy to find the area of a triangle where the base and the height are given. But in this resource, it is up to your geometers to identify the base and height of the triangle. In fact, your pupils will learn that there are three...
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Lesson Plan
Curated OER

Finding the Area of an Equilateral Triangle

For Teachers 9th - 11th Standards
The problem seems simple: find the area of the equilateral triangle whose sides are each length 1. In fact, this same problem is solved in 8th grade, addressing a different Common Core standard, using the formula for area of a triangle...
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Lesson Plan
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Illustrative Mathematics

Shape Hunt Part 2

For Teachers Pre-K - 1st Standards
Shapes are everywhere in the world around us, from rectangular doors to the circular wheels of a car. The second lesson in this series opens the eyes of young mathematicians to this wonderful world of shapes as they search the classroom,...
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Worksheet
Curated OER

Angles on a Line and on a Point

For Students 6th - 7th
In this angles learning exercise, students solve 24 problems pertaining to angle measurements on a line and on a point. There are also calculations of adjacent angles and supplementary angles. The page is intended as an online activity...
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Lesson Plan
Curated OER

Straight Line Graphs

For Teachers 6th - 9th
Students 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...
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Lesson Plan
Curated OER

Fraction Facts

For Teachers 6th - 8th
Students are introduced to fractions, including operations with fractionsm converting fractions to decimals and percents. They are provided with activities that provide ample practice opportunities to reinforce the information from the...
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Lesson Plan
Curated OER

Data Analysis and Probability Race to the Finish

For Teachers 1st - 2nd
Students practice addition facts, record data, and construct a bar graph. In this probability lesson, students participate in a board game in which bicycles move towards a finish line based on players completing addition problems. Dice...
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Lesson Plan
Curated OER

Multiplication Facts for 2,5, and 10

For Teachers 2nd - 3rd
Students practice multiplying by 2, 5 and 10. In this multiplication instructional activity, students participate in a teacher demonstration instructional activity of grouping for multiplication or making arrays. They concentrate on...
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Handout
Charleston School District

Solving Systems by Inspection

For Students 8th Standards
Can you solve a system by just looking at it? The previous lessons in the series taught three methods of solving systems of equations. Now learners discover they can determine the number of solutions of a system just by looking at it....
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Lesson Plan
Curated OER

Halves And Fourths

For Teachers 1st
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 and fourths...
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Lesson Plan
Curated OER

Multiplication Game

For Teachers 3rd - 4th
In this multiplication practice game worksheet, students cut out a puzzle and puzzle frame in order to practice their multiplication skills as they play the game that requires them to solve single digit multiplication problems.
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Lesson Plan
Curated OER

Math: Christmas Count Down

For Teachers K
Students use various tools to calculate the number of days before Christmas. Among the tools are number lines, calendars, and the Internet. Each day, a student visits a Christmas Countdown Website to report the days left. At the end of...
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Lesson Plan
Curated OER

Polygons

For Teachers 5th - 7th
Students investigate the concepts related to the study of polygons. They specifically look at how angles is related. The instructional activity includes specific examples and dialogue to be used by the teacher during direct instruction...
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Lesson Plan
Curated OER

How to Subtract to 10

For Teachers K - 3rd
Students subtract to 10 through the use of manipulatives. They will use craft sicks and the fact family on their practice pages. They examine how subtracting one always uses the larger number first.
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Lesson Plan
Pennsylvania Department of Education

Fractional Parts Using an Area Model

For Teachers 5th - 7th Standards
Learners explore multiplying fractions and their relationship to parts of a whole. They draw and shade fractional parts to show parts of a whole and fractional parts of a fraction. Pupils also use an Internet site for interactive practice.
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Worksheet
Curated OER

Match Teen Totals

For Students 1st - 2nd
For this addition practice worksheet, students solve the 9 addition problems and then draw a line to match them to the teen total on the other side of the page.
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Worksheet
Curated OER

Subtraction Problems

For Students Pre-K - 1st
For this subtraction practice worksheet, learners count the 3 sets of pictured items to aid them in solving 1-digit subtraction problems.
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Lesson Plan
Curated OER

Two Digit Addition with Regrouping

For Teachers 1st - 3rd
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...