Curated OER
Students' Strides
Complete problems using base ten blocks to see the difference in the place value of a decimal and how it affects a number's value. Learners compare decimal values as well. Ample time for discussion and modeling are allowed in the...
Curated OER
Using Basic Properties to Solve Problems in Math
Learners identify and define the rules of properties of real numbers. They rewrite each of the problems listed using the commutative or associative properties. Pupils apply problem solving strategies to clarify situations in a table...
Curated OER
Minnesota-China Connections:What Time Is It?
Learners calculate the time difference between Beijing, China and their local community. They discuss how time difference affects intercultural communication.
Curated OER
Length, Perimeter, and Area
Students explore the concepts of length, perimeter, and area. In this math lesson, students use Shape Explorer to practice finding length, perimeter, and area.
Curated OER
Problem Solving with Multi-Step Number Stories
Pupils solve multi-step number stories. They create number models to solve number stories. Everyone chooses the appropriate operation to use after reading the problem, and then work in small groups to...
Illustrative Mathematics
Complex number patterns
Start off with the definition of the imaginary number i, then have your class practice simplifying expressions involving powers of i and look for patterns. See how the cyclic nature of powers of i translate to sums of powers of i.
Shodor Education Foundation
Surface Area of Rectangular Prism
With this interactive lesson, learners compute the surface area of rectangular prisms. They visit an online investigation applet and record data on the provided handout. Pair this lesson with the volume lesson by the same publisher as an...
Shodor Education Foundation
Volume of Prisms
Explore the concept of volume of prisms using an applet to perform the calculations. The link to the interactive applet is embedded into the lesson plan as well as a link to associated data sheets. Get your math class to the computer lab...
Curated OER
Volume of Rectangular Prisms
Introduce the procedure needed to find the volume of a rectangular prism. Learners rank various prisms such as cereal boxes and tissue boxes from smallest to largest volume. They use an applet to find the volume and surface area of each...
Curated OER
Number Base Clocks
Students investigate place value in base ten. In this number sense lesson plan, students participate in an online lesson plan at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base...
Curated OER
Exploring the Hudson in 1609
Learners follow the journey of Henry Hudson down the river with his name. Using journal entries and maps, they learn about its exploration. They use maps to identify stages of the journey, and practice converting distances into miles.
Curated OER
Math Game Using A Tic-Tac-Toe Board
Elementary schoolers play a math game using a Tic-Tac-Toe Board. This simple idea can be used with virtually any grade level. A team of learners are the "O's," and the other is the team of "X's." Each time a team gets a problem correct,...
Curated OER
Multiple Variables in an Equation
Young mathematicians apply problem-solving skills to equations that have more than one variable. They will work through the process to problem solve and discover the solution.
Curated OER
How Simple Is Your Rational Expression?
Investigate simplifying rational expressions. Learners define rational expressions, review how numerators and denominators are polynomials and complete several problems using a checklist to ensure they don't skip any steps. Work can be...
Curated OER
To Quote or Not to Quote
Introduce your middle and high schoolers to the correct use of quotation marks. They identify examples of correct and incorrect quotations in magazines and edit a paragraph in groups. Use this lesson as a way to reinforce proofreading...
Curated OER
Prime And Composite Numbers - Fuzoku Elementary
Fourth graders investigate the concept of prime and composite numbers. Students study the visual representation for the numbers and use the pictures in order to develop designs for larger numbers. The goal of the lesson is for them to...
Curated OER
Ratio and Proportion: Basic Operations and Applications
Learners explore example problems dealing with ratios and proportions. Afterward, they read story problems and solve them using ratios and proportions. This four-page worksheet contains six multi-step problems.
Curated OER
Decimals and Fractions
Young scholars convert fractions to decimals. They are shown how to convert fractions to decimals through teacher demonstration on the board. A 20-problem worksheet and answer key are included.
Curated OER
Multiplying and Dividing Fractions and Mixed Numbers
Help math learners discover how to multiply fractions and mixed numbers. They will explore visual examples of the operations. They also practice solving problems that their instructor models.
Curated OER
Order of Operations
In this order of operations worksheet, students solve problems that include all four operations, parenthesis, square roots, and more. Students complete 50 problems.
Curated OER
Using Proportions to Solve Problems
Skittles and math? Pupils will work as a class to determine how many orange Skittles are in a large bag by using proportions. They will problem solve, estimate, and share their thinking. Then, they will each receive a small bag of...
Curated OER
Solving Linear Systems Using Matrices
Start with the definition of a determinant and how to evaluate a 2x2 determinant. Apply this skill to solve systems of two equations with two unknowns by using Cramer's rule. These four basic problems would be good for a quick review or...
Curated OER
Factors
Practice factoring numbers by using graph paper, manipulatives and computer applets.
Curated OER
Basic Subtraction Fact Worksheets to 20
Print this worksheet and have your helper pass it out. The class can use it to practice subtracting single and double-digit numbers up to 20. Some borrowing is required.