Curated OER
Two of Everything
Pupils listen to story Two of Everything, illustrate coins they would put into the Magic Pot using paper and pencil, and solve Magic Pot riddles by viewing slide show and predicting coin totals. Students then create table listing...
Curated OER
Place Value
First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...
Curated OER
Multiplication: 3x and 6x Tables
In this multiplication worksheet, 3rd graders find the products to 35 single digit vertical and horizontal problems in which they practice the three and six times tables.
Curated OER
Use Symbols to Subtract
Students practice crossing out items in a group in order to complete subtraction problems. For this subtraction lesson plan, students watch a PowerPoint presentation and then practice problems on their own.
Curated OER
Getting The Point
Middle schoolers complete a unit of lessons on the relationships between decimals, whole numbers, and fractions. They use paper strips to solve fraction problems, view and solve examples, and use calculators to convert fractions into...
Curated OER
Identities and Trigonometric Values
Students solve trigonometric equations. In this precalculus lesson, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different identities.
Curated OER
What Does It Matter?
Students define matter, the chemical properties of matter, and the physical properties of matter. They name physical and chemical properties of matter (by classifying using a Tree Map). Students determine the mass, volume, and density of...
Curated OER
Getting Percentible
This unit explores the connections between percentages, decimals, and fractions. It focuses on strategies for solving problems involving percentages and applies these strategies to real life contexts.
Curated OER
Dubious Adoption Data
Students analyze a graph from the New York City Administration for Children's Services that shows a significant increase in New York City adoptions after ACS was founded. They determine whether the graph supports ACS' claims and whether...
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Crime School Investigations
Students solve a mystery at their school. In this classifying instructional activity, students find suspects who committed the crime. Students categorize them into race, sex, and fingerprint type. Students show their results in graphs.
Curated OER
Do it With Dominoes
Students explore modes for addition. In this K-2 mathematics lesson, students investigate the four models of addition (counting, sets, number line, and balanced equations) using dominoes. Students examine the relationship between...
Curated OER
Paint Plus
Using the computer and the Paint program, Students explore the different tools available in the paint program, and then create a picture showing two sets of pictures and an equation.
Curated OER
The X-33 and the X-38
Students explore the relationships among the lengths, areas, and volumes of similar solids. They also discover what effect doubling the dimensions of a figure has on the resulting area.
Curated OER
Constructing a Spectroscope
Students construct a simple spectroscope. They observe the emission spectrum produce by a source of light.
Curated OER
Cute Calves of Just Tasty Steaks
Students examine the state of agriculture. In this animal husbandry lesson plan, students visit selected Web sites to research data on people's changing diets, farming practices, and animal health care.
Curated OER
Carrollton-A Study Skills Pictorial Activity Book
Fifth graders in teams select various areas of local craftwork they want to research. They are trained in photography and interviewing techniques, research the historical and current status of the craft, and interview and photograph...
Better Lesson
Better Lesson: The Neighbors of Doubles
The big idea of this lesson is that students can solve for near doubles by thinking of the related doubles fact.
E-learning for Kids
E Learning for Kids: Math: Igloo: Multiplication
On this interactive website students practice various math skills using a real life scenario with a hockey team. Those skills include completing multiplication facts up to 100, making a list of multiples of a number, and locating factors...
E-learning for Kids
E Learning for Kids: Math: Husky Sled: Addition to 20
Kodi the sled dog needs your help. Can you help him count?
Math Drills
Math Drills: Addition Worksheets
Download these worksheets to sharpen your addition skills. Sheets focus on single and multi-digit addition, addition table, column addition, and adding doubles of numbers.
Quia
Quia: Doubles Facts or Odd and Even
It's double or nothing when you play these fun, interactive games. Review doubles facts in minutes with the Matching or Concentration games. Then, practice identifying odd and even numbers with the interactive flashcards. A quick and...
Quia
Quia: Addition Facts Matching Doubles
Practice your doubles facts with these interactive games at the Quia website. A fun way to sharpen your number sense and doubling skills.
University of Cambridge
University of Cambridge: Nrich: Twenty Divided Into Six
On this one page website sharpen your logic and addition fact skills while working on this challenge. The solution is available to double check your solution.