Lesson Plan
Curated OER

Counting Back and Counting On

For Teachers Pre-K - 2nd
Read aloud your choice of books about counting on and counting back (a list is provided, or tell stories of your own). Your learners will write horizontal equations to portray what happens in the story. They build a paper chain and...
Lesson Plan
Curated OER

4 Step Approach to Problem Solving

For Teachers 7th - 8th
Students explore problem solving.  In this middle school mathematics lesson, students investigate the four-step approach to problem solving.  Students solve word problems by employing the four-step process and express...
Lesson Plan
Illustrative Mathematics

Many Ways to Do Addition

For Teachers Pre-K - 1st Standards
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this lesson is for young mathematicians to become aware of many ways of answering addition...
Lesson Plan
Curated OER

Study Buddies: Counting Back Tens and Ones

For Teachers 1st - 2nd
In this math worksheet, learners will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
Lesson Plan
Curated OER

Counting, Properties of Numbers, and Reasoning about Numbers

For Teachers K - 3rd
Five days of lessons develop number sense and counting patterns, including odd and even numbers, 5s and 10s, doubles, and ways to make 10. Each session opens with fun finger play to reinforce counting and reasoning about numbers. Various...
Lesson Plan
West Contra Costa Unified School District

Mixture Problems

For Teachers 8th - 10th
Mix up your lessons with the resource on mixture problems. Scholars use manipulatives to model and solve mixture problems. Individuals then set up both one- and two-variable equations to solve the problems.
Lesson Plan
Curated OER

Learn to Earn When you Tend to Spend

For Teachers 2nd - 3rd
Analyzing and understanding word problems is extremely important. Pupils learn that in money problems, earn usually means you add and spend usually means you subtract. They will solve a series of money-related word problems, label coins,...
Lesson Plan
Curated OER

Counting Back 1, 2, and 3

For Teachers 2nd - 3rd
In this counting back one, two and three worksheet, students, with a partner, problem solve and answer six word problems and equations.
Lesson Plan
Curated OER

Rooster's Off To See the World Number-Sense

For Teachers 1st - 2nd
Young scholars recognize how numbers are used in number stories.  In this Rooster's Off To See the World lesson plan, students participate in the story. Young scholars complete a number activity and work on the computer to...
Lesson Plan
Curated OER

Have Block Party!

For Teachers Pre-K - K
Students discover that the possibilities are limitless in this block-building activity. In this early childhood, problem solving lesson, students develop social, problem-solving, math, and language skills using a specific number of...
Lesson Plan
Curated OER

Using Groups of Ten to Solve Problems

For Teachers 3rd - 5th
Upper graders solve math problems involving multiplication using specific strategies. They will use base-ten blocks, hundreds charts, and number lines to solve multiplication problems. Then they will practice several of the strategies...
Lesson Plan
Curated OER

Problem Solving Strategy for Multi-step Math Problems

For Teachers 3rd
Third graders analyze mathematical word problems and interpret the words into mathematical equations. Individuals demonstrate their knowledge of the order of operations both verbally and through written expression.
Lesson Plan
Curated OER

St. Patrick’s Day

For Teachers 3rd - 6th Standards
Combine math, creative writing, and leprechauns in a fun St. Patrick's Day activity! Using a bag of gold coins and marshmallows, kids write a math story about a leprechaun that includes a multi-step equation to solve.
Lesson Plan
Curated OER

Beginning Addition Word Problems

For Teachers K - 2nd
In this finding the sums of word problems worksheet, students add the one-digit word numbers and numerals and use the pictures to assist them. Students solve four problems.
Lesson Plan
Willow Tree

Dimensional Analysis

For Students 8th - 11th Standards
Convey to your pupils the importance of units, then show how to use dimensional analysis to perform a unit conversion. The math lesson includes detailed worked-out solutions to guide learners in their practice.
Lesson Plan
Curated OER

Making Change

For Teachers 2nd
Second graders explore how to incorporate a new type of technology, the cash register and/or a calculator, as a motivational tool for solving real life problems. They practice estimating money and counting back change from $20.00.
Lesson Plan
Mathalicious

New-tritional Info

For Teachers 6th - 8th Standards
Burning off a Big Mac® doesn't seem like a big feat until you calculate the minutes of exercise necessary to break even. Young mathematicians look at different menu items in relation to different body weights and exercises to calculate...
Lesson Plan
Pennsylvania Department of Education

Comparing Sets

For Teachers Pre-K - 2nd
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Lesson Plan
Curated OER

Place Value To Hundred Thousands

For Teachers 5th - 7th
In this place value to hundred thousands worksheet, young scholars, with a partner, problem solve and calculate the answers to twenty mathematical word problems or exercises.
Lesson Plan
American Psychological Association

Counting Fidgets: Teaching the Complexity of Naturalistic Observation

For Teachers 9th - 12th Standards
Why do psychologists conduct experiments in controlled laboratory settings? High schoolers gain an understanding of the importance of controls with an activity that involves naturalistic observations with no imposed controls.
Lesson Plan
Curated OER

Pike Problems in Lake Davis

For Teachers 8th - 12th
Pike fish pose a threat to native trout and catfish in lakes. Would you drain and poison a lake to get rid of the Pike fish? If the lake was drained and poisoned, then refilled and repopulated with trout and catfish, how would you...
Lesson Plan
Curated OER

Outdoor Activities/Problem Solving: Math Goes to the Playground

For Teachers Pre-K - K
Students build their math skills outdoors. In this early childhood math lesson, students use comparative language as they chart and graph the items on their playground.
Lesson Plan
Curated OER

Multiplication Mysteries

For Teachers K - 8th
Arithmetic apprentices practice problem solving and multiplication with a lift-the-flap pair of reproducibles. In this Halloween mathematics lesson, math monsters practice multiplication by making candy corn calculations. They practice...
Lesson Plan
Curated OER

Developing Strategies for Addition and Subtraction

For Teachers 2nd - 4th
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...