Curated OER
Multiples of a
Sixth graders use problem solving strategies to evaluate linear expressions by substituting values. They substitute values for the letters in their names before applying the concept to other words. They complete worksheets in which they...
Curated OER
Ohio Census 1990 and 2000
Students begin the lesson by examining Census data from the state of Ohio from 1990 and 2000. Using a worksheet, they solve problems using the data and a calculator. They share their responses with the class and discuss what the data...
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
Can Stack
Pupils 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
The Fourth Quadrant of Proportiona
Students experiment with scale to solve a problem presented in a video clip. They determine the correct size to use when constructing a model and evaluate the use of proportions in real life applications.
Teach Engineering
Egg Drop
Don't drop the ball on the resource ... drop an egg instead! A teacher-led demonstration has the class consider how to drop eggs into glasses when a tray is in the way. Hint: If you've ever seen a magician pull a tablecloth off a table,...
National Research Center for Career and Technical Education
Break-Even Point
How do companies determine the prices of their products? Marketing maestros discover the concepts of cost and break-even point through discussion, independent practice, and a collaborative assessment. The career and technology-oriented...
Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
Maximize It!
Learners design a rectangular box without a lid that has the largest possible volume using the supplied sheet of centimeter graph paper. They work in groups to construct different size boxes to determine the largest possible volume and...
Curated OER
Building Sets of 13 and 14
Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.
Curated OER
Odd and even
Learners play a game requiring them to select groups of odd or even numbers of objects with the aim of reaching a total which is an odd number. They carry out a more formal investigation of patterns in additions of odd and even numbers.
Curated OER
Tick Around the Clock
Students examine and discuss the differences between clocks they are shown. Using the internet, they research how people used to tell time before clocks. They review what the long and short hand on the clock represent and practice...
Curated OER
Fill and Wrap It Up
Pupils find the surface area and volume of the solid figures by measuring the length and the height of each face and base. They use concrete models to derive formulas for finding perimeter, circumference, area, surface area, and volume...
Curated OER
Cover and Boarders
Students find the area and perimeter of rectangular figures. They use this information to find patterns and discover relationships between area and perimeter. Students apply and explain formulas relating to perimeter, area, and volume.
Curated OER
Triangle Inequality
Young scholars discover that the sum of the lengths of any two sides of a triangle must be greater than the third side. They are shown how a triangle is formed using three strips such as that the triangle is seen inside the strips.
Illustrative Mathematics
Comparing Products
How can 5th graders show understanding that 30 x 225 is half of 60 x 225 without completing the computation? They can use an area model and draw it out. An array, or an open array, is an area model that allows for young learners to...
Northeast Georgia Regional Educational Service Agency
Who Were the Tired, the Poor, the Huddled Masses Yearning to Breathe Free?
Elvira Woodruff's The Orphan of Ellis Island: A Time Travel Adventure is the core text in a interdisciplinary unit study of immigration at the turn of the century.
Curated OER
Reading to Calculate
Students explore uses of the calculator. They explore using reading strategies to solve problems. Students recognize when calculators are useful. They construct real life situations for calculator use.
Curated OER
Sharing More Lollies
Pupils examine the math problem, think about it and discuss with their classmates. They work on the rest of the problems in pairs using problem solving strategies and fractions.
Curated OER
Tile My Bathroom Floor
Seventh graders create a bathroom floor plan using measurement math. In this measurement lesson plan, 7th graders use measurement, proportionality, estimation, and area to design a floor plan. Students design floor tiles using centimeter...
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
Homework Help In A Hurry
Students discover strategies for getting immediate help with their homework, including online sources in which an adult is available for assistance. They work through a simulated situations in which they visit one of these sites to gain...
Curated OER
More Lollies
Students review the days of the week and see if the students can recite he sequence using different starting days. Students retell the problem using their own words to check that everyone examines.
Curated OER
Representing the Unknown
Second graders solve number sentences and examine how to apply basic operations of mathematics to those problems. They also use symbols to represent unknown numbers and how they are used in equations.