Curated OER
Factors and Multiples
Sixth graders need to see the relevance in the mathematics they learn. This lesson builds on the concepts of least common multiple and greatest common factor. The lesson presents real-world problem situations for students to solve.
Pennsylvania Department of Education
Two Types of Division Problems
Students discover the two types of division problems. In this number division lesson, students identify repeated subtraction and sharing division problems. Students create word problems utilizing the two different types of division.
Curated OER
Understanding Computer Images
Ninth graders explain differences between bitmapped images and vector images. They calculate pixels and transpose the raw file size to bits, bytes, and kilobytes. They compare formats for displaying images on a Web page.
Curated OER
Multiplying Decimals and Mixed Numbers
Students multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
Curated OER
Tangram Toil
Fifth graders find fractional parts of a whole. In this tangram instructional activity, 5th graders are given a tangram manipulative and must put the pieces together to form a square. Students determine the fractional value of each of...
Curated OER
Multiplication: 4-Digit by 2-Digit
For this multiplication worksheet, students complete 24 problems, multiplying 4-digit numbers by 2-digit numbers. Page contains links to answers and additional worksheets.
Curated OER
SPENDING: Maintaining the Skill of Money
Fourth graders explore the concept of maintaining money. In this personal finance lesson, 4th graders earn "money" for cleaning their classroom desks. Students spend the "money" in the classroom and practice making change.
Curated OER
Bell Curve
Students construct two bell curves using two different yet related objects. For example, two kinds of Hershey's Kisses (plain and almond) or two kinds of dried beans (kidney and lima).
Curated OER
Sampling Rocks
Students examine how to take a sample by looking at rocks in the schoolyard. In this sampling instructional activity, students discuss ways to classify rocks by color, size, and weight. They think about how many rocks would make a good...
Curated OER
Bell Curve
Students explore averages by completing a data analysis activity. In this bell curve lesson, students measure different food items and plot their measurements on a X and Y axis. Students create bell curves around the average weight or...
Curated OER
In the Bag!
Students calculate how many quarters are in a $1,000 bag (after learning the dollar value of filled coin bags). They explain their problem-solving strategy using pictures, numbers, equations, and/or words.
Curated OER
Leadership Program in Discrete Mathematics
Learners find the total cost of the items in the song, "The 12 Days of Christmas."
Curated OER
Adding and Subtracting Fractions
Second graders use blocks to show the addition and subtraction of fractions with common denominators. They identify the steps in these functions and complete a worksheet.
Curated OER
How to weigh a tree
Students pick a tree they see everyday. They measure the tree's circumference and estimate its height using similar triangles. Students are introduced to Computational Science. They use computers and calculators to compute values...
Helping with Math
Addition - Three 3-Digit Numbers
There are 20 addition problems on this assignment, all of which require the addition of three three-digit numbers. All of them will require some regrouping to solve. This is terrific arithmetic practice to assign as homework. An answer...
Curated OER
Let's Learn Those Facts
Students practice adding one digit numbers. In this practicing adding one digit numbers lesson, students roll dice to determine which one-digit numbers they will add together. Students practice adding one digit numbers for speed and...
Curated OER
Tortillas
Students convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate how...
Curated OER
Add Groups of 10
For this addition worksheet, students count each group and write the 2-digit number in the top boxes. Students add the number shown in each table to this number. Students draw a line for each extra 10 added. Students record the total at...
Curated OER
Save Your Change
Learners solve problems involving exponential, logarithmic, and scientific notations. Using calculators, students explore investment problems. They use a formula and logarithms to determine the years to earn a particular income, figure...
Curated OER
Cutting the Wood
Students demonstrate and describe the effect of multiplying or dividing by a fraction less than or greater than one. They create and explain a variety of equivalent ratios that represent a given situation. Students draw a picture of...
Curated OER
Miles Of Smiles
Students investigate basic mathematical properties to solve multiplication and division problems. They solve word problems that are part of the lesson. Students are required to give written or oral justification for how they solve each...
Curated OER
Addition Relay
Third graders, in pairs, use a bag of counters which can be dried beans, squares of papers, etc.
Curated OER
Understanding Fractions
Students add and subtract fractions and multiply and divide fractions using pattern blocks.
Curated OER
Expected Value
Students explore expected value, are introduced to the concept of varying payoffs, and have used a computer simulation of a "real world" example where expected value is used