Curated OER
Tens and Ones Fun
Youngsters use their large motor skills to build numbers to 20 in this outdoor, kinesthetic, collaborative activity. Amass cardboard boxes for groups to stack, sort, and bundle into 10s and 1s to show numbers and place value. They'll...
EngageNY
The Definition of Sine, Cosine, and Tangent
Introduce your classes to a new world of mathematics. Pupils learn to call trigonometric ratios by their given names: sine, cosine, and tangent. They find ratios and use known ratios to discover missing sides of similar...
EngageNY
Equivalent Rational Expressions
Rational expressions are just fancy fractions! Pupils apply fractions concepts to rational expressions. They find equivalent expressions by simplifying rational expressions using factoring. They include limits to the domain of the...
Curated OER
Pizza! Pizza!
Third graders tally, sort, and organize pizza orders from monthly school sales. They create an advertising campaign to promote the School Pizza Sale, record the data in graph form, compare and contrast the tallies throughout the year,...
PBS
Add, Subtract and Multiply Fractions
Your future chefs will appreciate this comprehensive instructional activity where learners practice operations on fractions using pizza and soup analogies. Learners begin with a pizza analogy that requires the learners to...
Curated OER
Conditional Probability and Probability of Simultaneous Events
Your statisticians examine the characteristics of conditional probability and the probability of simultaneous independent events. They perform computer activities to find probabilities for simple compound events. They examine the...
Curated OER
Rolling Number Sentences
Budding mathematicians investigate how to write number sentences using the Roll-the-Dice tool in "Kid Pix". They correlate the dots on the dice to numbers and then learn to use the addition and equal symbols to write number sentences....
Curated OER
Pascal's Triangle
Young scholars explore the concept of Pascal's Triangle. In this Pascal's Triangle lesson, students use an applet called 'Coloring Multiples' to explore Pascal's Triangle. Young scholars develop patterns starting with various numbers in...
Curated OER
Ratios, Unit Rates, and Proportions
Explore the concept of ratios, unit rates, and proportions. Learners convert fractions and percents to decimals. They discuss rates and where they can be found in the real world. A hands-on experiment and numerous flash cards and...
Curated OER
Operations with Fractions and Decimals
Complete a lesson that introduces and explores operations with fractions and decimals. Pupils estimate the reasonableness of a decimal computation. Then discuss what operation is needed to find an answer. Handouts, web sources, and other...
Curated OER
Multiplying with Egg O
Third graders multiply whole numbers by one and two digit numbers using base ten blocks and Egg O multiplication game. students pass out egg cartons, counters, and a record sheet to each group.
Curated OER
7th Grade Scientific Notation
Middle-school mathematicians identify the need for scientific notation. Learners convert large and small numbers into scientific notation. Students review the powers of ten and write them on the board in standard form and scientific...
Curated OER
Introduction to the Concept of Probability
Middle and high schoolers have a clarified definition of probability, they explore about outcomes in probability and how to calculate experimental probability. They use computers to learn about probability.
Shodor Education Foundation
Replacement and Probability
Middle and high schoolers explore the concept of probability. In this probability activity, learners conduct an experiment with a bag of marbles. Pupils draw marbles from a bag and determine the probability of drawing a particular color...
Curated OER
Grade 2: Texas Problem Solving
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
Curated OER
Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
Curated OER
Perimeters, Patterns, and Conjectures
Young scholars discover patterns and write conjectures relating to perimeters and polygons. Working in cooperative learning groups, they use manipulatives and graphic organizers to solve problems then answer a series of questions in...
Curated OER
Love Algebra?
Eighth graders, while in the computer lab, access a web site to help them utilize manipulatives of cups and tiles to develop the skills necessary to understand multi-step equations. They assess the relationship between cups and tiles and...
Curated OER
Square Numbers Closure Activity
Students discuss square numbers. In this math lesson, students find square numbers and support their answers. Students find sums and products that are square numbers.
Curated OER
Number in Geometry
Students 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. Students develop a wide range of...
Curated OER
You're the Cashier!
Third graders use manipulatives and computers to count back change from amounts up to $5.00.
Curated OER
Understanding Fractions
Students add and subtract fractions and multiply and divide fractions using pattern blocks.
Curated OER
Practicing Arithmetic
Students practice single operation arithmetic ranging from single digit addition to long division of decimals or real numbers using Graphit. They use data sets and rules to graph ordered pairs.