Worksheet
Curated OER

Operations with Radical Expressions

For Students 7th - 10th Standards
Learners add, subtract, and multiply radical expressions. The worksheet includes like and unlike radicands. Use as a study guide during a lesson or for skills practice.
Lesson Plan
Curated OER

Operations for Problem-Solving

For Teachers 7th - 9th
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. ...
Lesson Plan
Curated OER

Grocery Races

For Teachers 5th
Fifth graders apply their knowledge of math in a grocery shopping trip. In this math lesson, 5th graders use addition, subtraction, multiplication and division to help them with their shopping. The teacher sets up a mock supermarket in...
Lesson Plan
Curated OER

Scale Me Down

For Teachers 5th - 8th
Students create scale drawings, and ultimately scale models, of real-world objects in this Math lesson about ratios, proportion, scaling factors, and cross products. The lesson includes ideas for cross-curricular extensions and is...
Lesson Plan
Curated OER

Rounding and Estimating

For Teachers 4th
Fourth graders complete math problems through rounding and estimating. They visit a given website where students select answers to increasingly harder problems. Students complete quizzes to estimation problems. Afterwards, they...
Lesson Plan
Curated OER

6-8 Baseball Fun: Percentages, Decimals, and Fractions

For Teachers 6th - 8th
Young scholars practice the concepts behind fractions, decimals, and percents by using sports statistics on baseball cards. In this baseball math lesson, students use fractions and estimation to calculate statistics. Young scholars...
Lesson Plan
Curated OER

Counting Blood Cells

For Teachers 3rd - 5th
Students observe number sense by participating in an estimation activity. For this blood cells lesson, students identify the importance of blood cells in the human body and discuss how tiny they are. Students utilize paper dots as a...
Lesson Plan
Curated OER

Working Watermelon

For Teachers 2nd - 4th Standards
You're going to wish you had a watermelon for this lesson! Class members read about watermelons and make a salad in class to sample. They also perform estimates, measurements and calculations on a watermelon. They predict what percentage...
Lesson Plan
Curated OER

Measurement

For Teachers 5th
Fifth graders complete measurement problems where they use powers of ten, read metric measurement tools, estimate measurements, and more. In this measurement lesson plan, 5th graders complete 10 problems.
Lesson Plan
Curated OER

Candy Fractions

For Teachers 2nd
Second graders complete math activities with donated seasonal treats. They estimate, count, sort, name and graph bags of treats. They can eat treats when finished.
Lesson Plan
Curated OER

Teaching Radicals in Less Than Five Minutes

For Teachers 9th - 12th
Students simplify complex radicals following a specific technique. In this math lesson, students simulate the process using several decks of cards. They explore real life applications of radicals.
Lesson Plan
Curated OER

Super Cents

For Teachers 2nd
Second graders study money amounts less than a dollar. In this math activity, 2nd graders practice counting coins. Students read various stories and discuss how money was used in the stories.
Lesson Plan
Curated OER

Cross Section and Slope

For Teachers 6th - 8th
Students draw cross sections of given contour maps. In this math lesson, students interpret the different symbols used in the map. They determine slope and steepness through direct measurement.
Lesson Plan
Pennsylvania Department of Education

The Weight of Things

For Teachers Pre-K - 2nd
Learners explore weight. In this math lesson, students predict which item weighs more and discuss how they arrived at their decision. Learners weigh several items to determine which weighs more.
Lesson Plan
Curated OER

Over and Under Estimation

For Teachers 1st
First graders distinguish between an over-estimate and an under-estimate. They estimate the number of beans that can be held in a hand, organize data and actual findings.
Lesson Plan
Curated OER

The Big E

For Teachers 6th
Sixth graders explore predictions and estimation. In this math lesson plan, 6th graders analyze data and make predictions based on the past years data.
Lesson Plan
Curated OER

Dog Lot Math

For Teachers 6th - 8th
Students use their problem-solving skills to answer math problems. They determine the cost of feeding sled dogs. They share their answers with the class.
Lesson Planet Article
Curated OER

Area and Perimeter Activities

For Teachers 3rd - 5th Standards
Read this article before you begin teaching geometry! It gives teachers some insight into the world of teaching geometry to young learners, and four area and perimeter lessons are attached. 
Lesson Plan
Curated OER

Easy Estimation

For Teachers 1st - 3rd
Learners use estimation as a math strategy. Students estimate the number of small snacks that are presented to them. Learners count the snack items after they have estimated how many there are, before the class snack on a daily basis.
Lesson Plan
Curated OER

Words, Words, Words

For Teachers 2nd
Second graders choose estimation strategies in real-world problem situations and explain the choice. They work in groups of five using three different estimation methods to find out how many words are on a page of text.
Lesson Plan
Curated OER

Plan A Meal For A Family Of Four

For Teachers 4th
Fourth graders use critical thinking skills in order to plan a meal for a family of four. They integrate the knowledge of the Food Pyramid in order to make the meal acceptable. Students use a budget and then create a list for shopping...
Lesson Plan
Curated OER

By Land, Sea or Air

For Teachers 6th - 8th
Students learn navigational techniques change when people travel to different places. They understand differences between navigation on land, water, air and in space. They explain the concept of dead reckoning as it applies to...
Lesson Plan
University of Waterloo

Rounding and Estimating 1: Introduction

For Teachers 4th - 6th Standards
Pupils practice mental math skills in math drills. They play the online interactive game "Rounding Off" to practice rounding off different numbers. Afterward, they complete a paper based follow up exercise for reinforcement.
Lesson Plan
Curated OER

Gravity, Angles, and Measurement

For Teachers 10th - 11th
Students relate math to real life scenarios. In this geometry lesson, students launch a ball tracking each launch using a graph. They analyze their data for speed, angles and distance, trying to improve on each launch.