Curated OER
Mental Math Ideas
In this mental math worksheet, learners complete the multiplication and subtraction problems where they use the strategy "subtract all digits from 9 except the last one from 10". Students complete 26 problems.
Curated OER
Mental Math: Addition and Subtraction
Fourth graders exercise their minds in completing mental math skills of adding and subtracting by making multiplies of ten. They compute problems involving multiplication and division of whole numbers and addition and subtraction of...
Curated OER
Square Numbers
Fourth graders demonstrate multiple ways to represent whole numbers, decimals, and fractions. Through demonstration and hands-on activities they model square numbers using arrays. Students visually determine that the array makes a square.
Curated OER
Math Mania
Fifth graders review adding, subtracting, multiplication and division of fractions and decimals through a variety of activities and exercises.
Curated OER
The Clumsy Tiler N (Fractions)
Students explore patterns and geometric sequencing. Students devise and use problem solving strategies to explore situations mathematically. Students solve real life problems. They demonstrate, with cardboard pieces, fraction and...
Curated OER
Number in Geometry
Learners use a number line to assist with their additions. They use a calculator to check for factors. Students are taught factors and multiples. They use array model of multiplication to define meaning. Learners develop a wide range of...
Curated OER
Math for the Frontier
Make history come to life by using the Frontier House series to engage students in the past. Your class will "prepare" for a trip to 1833 Montana. They will learn about homesteading, frontier life, inflation, and cost of living. Using...
Mathematics Vision Project
Quadratic Equations
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
Curated OER
Water: From Neglect to Respect
The goal of this collection of lessons is to make middle schoolers more aware of the ways in which they are dependent upon water to maintain their standard of living. Learners compare water use in Lesotho to water use in the United...
Alabama Learning Exchange
Sky High
How are skyscrapers built? What does it take to make a structurally sound building? How can one work within a budget to complete a building project? These guiding questions will be investigated and answered within a hands-on lesson....
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Consumers Energy
The Cost of Electricity
How much is your toaster costing you every day? Young environmentalists calculate the monetary costs of household appliances based on their average consumption of wattage.
Illustrative Mathematics
Reasoning about Multiplication and Division and Place Value, Part 2
The learner puts reasoning and estimation to work. The directions are to place a decimal in the answer to make the equation true. Pupils are to look at the two problems, one multiplication and one division, and estimate an answer. No...
Curated OER
Dream Home Mathematics
Explore the concept of budgeting with sixth graders. They will pick a career on note card made by the teacher. They then use the information on the card such as salary, expenses, and career to create a life for themselves. They also...
Curated OER
Division: 4-Digit by 2-Digit
In this division learning exercise, learners complete 18 problems, dividing 4 digit numbers by 2 digit numbers. Worksheet includes link to answers and additional worksheets.
Curated OER
Division: Three Digit by Two Digit
For this division problem, students solve for the quotients in 24 three digit by two digit division problems. They use the long division method to find each quotient.
Curated OER
Percents
Pupils explore the concept of percents. In this percents lesson, students discuss the prefix cent and words that contain that prefix. Pupils make bead necklaces and determine the percentages of certain beads in relation to the necklace.
Curated OER
Measurement: Finding Areas of Rectangles
Pupils construct the formula for the area of a rectangle.
Alabama Learning Exchange
Watch That Plant Grow
Middle schoolers examine the growth of marigolds in a greenhouse environment. They chart data in spreadsheets showing plant growth over time and under a number of conditions. They record measures of plant height and greenhouse temperature.
Curated OER
Multiplication: Determining the Weight of Multiple Objects
Seventh graders use their knowledge of multiplication and problem solving to determine the total weight of multiple objects. In this multiplication instructional activity, 7th graders weigh various manipulatives, record the weight, and...
Curated OER
Jambalaya's Restaurant
Young scholars use a menu and recipes to work on adding, subtracting, and percentages. They are given they weekly circulators, advertisements, or actual products and students practice figuring out sales tax. Young scholars figure slaes...
Curated OER
Touring Delmarva
Students plan a trip. In this trip planning lesson, students use a map to find where they would like to visit with a pretend family of 4. They get a specific amount of money and time and need to decide where they will stay and what they...
Curated OER
Long Division in Two Digits
In this math worksheet, students find the solutions to the problems for long division. The answers can be shown in the printable version.