Curated OER
Conversions That Make Cents
Eighth graders practice calculating problems using addition, subtraction, multiplication and division. They estimate solutions to algebraic problems. They also graph their solutions.
Curated OER
Gremlins
First graders investigate the missing numbers on an equation chart in order to practice their addition and subtraction skills. They work with sums up to twenty and use up to twenty objects to work with subtraction equations. They listen...
Curated OER
The Elimination Method
Tenth graders investigate the Elimination Method in the solving of equations. They solve the equation using this method in examples with the teacher and then transfer the new knowledge to independent practice.
Curated OER
A Square of Circles
Second graders practice calculations and working with even and odd numbers. They perform mental calculations involving addition. Students devise and use problem solving strategies to solve problems.
Curated OER
Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
Curated OER
Create A Question
Students explore mathematical problem solving. Given a case problem, students write a rule to solve problems involving decimal multiplication and division. They invent problems, share them with the class, and solve other student's...
Curated OER
Child's Play II: Loteria Game
Students use flashcards to memorize the Spanish words for numbers. In groups, they write and solve addition, subtraction, multiplication and division problems. They play another round of the game in which they can only give the problem...
Curated OER
Splash!
Students listen to the book, Splash in the Ocean. Then they use fish counters, fish stickers, numbers and symbols to solve addition story problems.
Curated OER
Integer Arithmetic
Students solve integer-based problems. They add and subtract integers as well find missing integers. They represent a scenario involving positive and negative integers and solve it.
Curated OER
What Is Money?
Learners discuss the difference between earned and unearned income. They use addition, subtraction, multiplication, and division (with whole numbers, fractions, decimals and/or percents, mixed numbers) to solve real-world math problems...
Curated OER
The Fathers' Day Card
Students subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
Curated OER
Can Stack
Students are able to find the rule for summing consecutive numbers;
identify the pattern of triangular numbers. They then solve the given problem using logic and mathematical reasoning.
Curated OER
Darts Game
Third graders attempt to determine what the scores of the game in the problem could be. They work with basic multiplication facts to justify the solutions to a dart game and share all of the possible scores.
Curated OER
Virtual Field Trip/ Gasoline Cost
Students complete a word problem to determine the cost of gasoline per mile of their virtual field trip. They determine the travel time and gasoline costs for two routes and record the information on a data sheet. They check their work...
Curated OER
Savings
Students investigate the different ways to save money and the reasons for doing so. They use addition, subtraction, multiplication, and division (with whole numberrs, fractions, decimals, and/or percents, mixed numbers) to solve...
Curated OER
Making Choices
Students determine that limited resources require choices. They study the basic concept of a budget and use addition, subtraction, multiplication, and division (with whole numbers, fractions, decimals and/or percents, mixed numbers) to...
Curated OER
Junk Yard Math
Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the lesson.
Curated OER
Computers Can Only Add
Students explore using mathematics to solve problems in base two. After a teacher demonstration of using base two to write numbers. students model similar problems to explore the concept of number systems in different bases. To increase...
Curated OER
Fact Families to 18
In this fact families to eighteen worksheet, students problem solve six word problems associated with fact families to eighteen.
Curated OER
Math Stories 1
Second graders use technology to draw shapes or select pictues to represent an addition or subtraction equation. They also write the equation, and a story that matches the equations.
Curated OER
TE Lesson: Caught in the Net
Students student the concept of bycatch, the act of unintentionally catching certain living creatures using fishing equipment. They determine the difference between bycatch and target creatures. They discover what species become bycatch...
Curated OER
Using 10 to Subtract
In this using ten to subtract worksheet, students, with a partner, problem solve and calculate together the answers to five subtraction word problems.
Curated OER
Sudoku
Students work on sudoku puzzles. In this algebra lesson, students complete a puzzle by finding the missing numbers in a square. They use logic to solve these puzzles.