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 activity, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
Maximize It!
Students 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
Young scholars 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
Middle schoolers 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,...
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
Students 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
Pupils 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
Learners 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. For this measurement lesson, 7th graders use measurement, proportionality, estimation, and area to design a floor plan. Students design floor tiles using centimeter...
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
Counting Pills
Students are introduced to the problem. They brainstorm ideas for approaching the problem and keeping track of what has been done. Students work on the problem in pairs to discover what strategies might help to find the answer.
Curated OER
More Lollies
Learners review the days of the week and see if the students can recite he sequence using different starting days. Learners retell the problem using their own words to check that everyone examines.
Curated OER
Rows of Numbers
Students generate patterns from a structured situation, find a rule for the general term, and express it in words and symbols. They also devise and use problem solving strategies in a systematic way.
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.
Curated OER
How Far!
Fourth graders perform basic calculations using time. They read and construct a variety of scales, timetables, and charts. Students devise and use problem solving strategies to explore the situation mathematically.
Curated OER
Jackson's Consecutive Numbers
Young scholars generate patterns from a structured problem, finding a rule for the general term, and expresses it in words and symbols. They then devise and use problem solving strategies to explore situations mathematically.
Curated OER
Inventors Unit Survey
Students develop and conduct a survey for their inventors unit. They create a five question survey and tally the survey results, and create a graph using Microsoft Word and Graph Club 2.0.
Curated OER
Lollies!
Learners are shown 4 lollipops and asked to tell you all the ways they could share them between 2 students; understanding the difference between sharing and sharing evenly. They read the math problem and share solutions.
Curated OER
Buying My First Car
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Curated OER
Chart Trivia
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.