Curated OER
Conditional Probability and Probability of Simultaneous Events
Students explore the concept of conditional probability and probability of simultaneous events. For this conditional probability and probability of simultaneous events lesson, students roll dice or use and applet to roll dice to...
Shodor Education Foundation
Replacement and Probability
Middle and high schoolers explore the concept of probability. In this probability lesson, learners conduct an experiment with a bag of marbles. Pupils draw marbles from a bag and determine the probability of drawing a particular color...
Shodor Education Foundation
Introduction to the Concept of Probability
Acquaint mathematicians to the concept of probability with a discussion about the results of a game. Then have them play a dice, card, spinner, or coin game and recording the number of wins vs. the number of tries on an interactive web...
Curated OER
Tessellations: Geometry and Symmetry
Learners explore the concept of tessellations. In this tessellations lesson, students use an applet to construct tessellations. Learners use regular polygons to construct tessellations. Students find patterns and symmetry in their...
Curated OER
Number Base Clocks
Students investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to other...
Curated OER
Scoring Guide for the Algebra 2/Trigonometry Test Sampler
Young scholars take an Algebra II/Trigonometry sample test. In this Algebra II/Trigonometry sample sample test lesson, students take a sample test for Algebra 2/Trigonometry. Young scholars solve 39 multiple choice/short answer...
Curated OER
Decimal Multiplication
Students use base ten blocks to lead them in the concept of understanding multiplying numbers with decimals. In this multiplication of decimals lesson plan, students also use digital activities to help them with the multiplication.
Curated OER
Finding Remainders in Pascal's Triangle
Students use clock arithmetic to find remainders. In this patterns in math instructional activity, students explore the relationship between clock arithmetic and remainders using a computer applet. Students also identify patterns in...
EngageNY
Solve for Unknown Angles—Angles and Lines at a Point
How do you solve for an unknown angle? For this sixth installment of a 36-part series, young mathematicians use concepts learned in middle school geometry to set up and solve linear equations to find angle measures.
Henrico County Public Schools
Models for Teaching Addition and Subtraction of Integers
Positive and negative numbers are everywhere in the world around us. Whether it's charged particles in atoms, a hot air balloon rising and falling in the sky, or a series of bills and checks being delivered in the mail, this resource...
Pace University
Grades 7-8 Independent and Dependent Variables
It all depends upon the independence. The differentiated instruction lesson introduces learners to independent and dependent variables. Using real-world situations, scholars gain a conceptual understanding of the difference between the...
Perkins School for the Blind
Which One is the Square?
Children who are blind need to constantly be engaged in building conceptual understandings of the world around them. This activity will help them grasp the concept of shape, identify shapes, and consider shapes as they are used to...
Ohio Department of Education
Fraction Models - Grade Three
Explore fractions using different manipulatives and illustrations. Your class can create a variety of models of fractions and mixed numbers with drawings and manipulatives. They then work to compare fractions, mixed numbers, and whole...
Curated OER
Which container holds a larger amount of popcorn?
What does popcorn have to do with math? Seventh grade mathematicians are provided an opportunity to develop a conceptual understanding of the formula for volume and to use it as a tool to solve problems. The lesson begins with a...
Curated OER
Basic Multiplication Facts - MathKeys Software
Students explore multiplication concepts. In this multiplication lesson, students define "array" and draw several arrays to represent multiplication number sentences. Students construct arrays on the computer using MathKeys software.
Curated OER
Butterfly Addition: Color by Numbers
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Curated OER
Teaching Radicals in Less Than Five Minutes
Students simplify complex radicals following a specific technique. For this math lesson, students simulate the process using several decks of cards. They explore real life applications of radicals.
Curated OER
Comparing Sizes
Students compare sizes. In this math lesson, students complete activities that require them to compare the sizes of their bodies to those of their classmates.
Curated OER
An Introduction to Quadrilaterals
Students explore the concept of quadrilaterals. For this quadrilateral lesson, students play with a floor tile applet to see that there are many types and characteristics of quadrilaterals including parallelograms, trapezoids,...
Curated OER
Number Line Relay
Young scholars investigate the placements of numbers on a number line. In this algebra lesson, students visualise addition and subtraction on a number line.
Curated OER
Fraction Conversion 2 (With Percents)
Fifth graders determine how to convert fractions, decimals, and percents. In this conversion lesson, 5th graders use an on-line applet to practice making these conversions. They review how to make the conversions in a whole class lesson...
Curated OER
Probability and Geometry
Students examine the relationship between probability and geometry to solve problems. In this geometry and probability lesson, students investigate the effect of changing percentages on a spinner to the probability of landing on a...
Ohio Department of Education
Actions with Fractions: Adding and Subtracting Fractions with Common Denominators
Fourth graders develop a conceptual understanding of fractions and begin to add and subtract fractions with like denominators. Included is a worksheet to assess readiness and a teacher's checklist showing class understanding at a...
Curated OER
Understanding Inequality Operation Rules
Learners solve problems within-inequalities. In this algebra lesson, students apply concepts of addition, subtraction, multiplication and division to solve inequalities.