EngageNY
The Pythagorean Theorem
Class members explore the estimation of irrational numbers in association with the Pythagorean Theorem. The first instructional activity of this module challenges pupils to use the Pythagorean Theorem to find unknown side lengths. When...
Virginia Department of Education
Box-and-Whisker Plots
The teacher demonstrates how to use a graphing calculator to create box-and-whisker plots and identify critical points. Small groups then create their own plots and analyze them and finish by comparing different sets of data using box...
Virginia Department of Education
Analyzing and Interpreting Statistics
Use measures of variance to compare and analyze data sets. Pupils match histograms of data sets to their respective statistical measures. They then use calculated statistics to further analyze groups of data and use the results to make...
Virginia Department of Education
Absolute Value
Your birthday can be more than just about presents; it can even teach about absolute value. The class investigates absolute value as the distance from zero on a number line. Plotting birth months and comparing each birth month to July...
Resource Room
Multisensory Teaching: Positive and Negative Integers
Working with thermometers, sixth graders compare the value of positive and negative numbers. Plenty of teacher suggestions and independent practice ideas are presented. This website links to two more parts in this first of three integer...
EngageNY
Families of Parallel Lines and the Circumference of the Earth
How do you fit a tape measure around the Earth? No need if you know a little geometry! Pupils begin by extending their understanding of the Side Splitter Theorem to a transversal cut by parallel lines. Once they identify the proportional...
Virginia Department of Education
Going the Distance
Estimate the value of one of the most famous irrational numbers. The hands-on lesson plan instructs classmates to measure the circumference and diameters of circles using yarn. The ratio of these quantities defines pi.
Curated OER
Comparison Subtraction Stories
Second graders create stories that model comparison subtraction while using the environmental mats. They suggest situations in which they compare numbers. For example, if one student has 6 nickels and another child has 14 nickels,...
Curated OER
Handling Data: measure of Average
Fifth graders analyze data from a simple table. In this graphing lesson, 5th graders compare distributions. Students recognize that the mean helps them find the formula. Students answer questions on the mean, median, and range.
Curated OER
Number-Line Squeeze
First graders investigate numerals and size by ranking different numbers based upon value. In this number sense activity, 1st graders practice using the terms smaller, larger, less and more in order to organize numbers on a number line....
Curated OER
Fractions and Decimal Equivalents: Fifth Grade
Sometimes a skeleton is all you get. This lesson outline provides teachers with a basic lesson flow. Pupils will pre-test, order place value names, use manipulatives, and build and compare numbers. How this is to be done is not...
Curated OER
Operations with Decimal Numbers
Sixth graders demonstrate operations with decimal numbers. In this computation lesson, 6th graders play the game "Diabolical Decimals." The objects of this game is to construct the largest number after rolling a die five times. The...
Curated OER
Sweet Fraction Frenzy
Fourth graders compare and order fractions. In this comparing and ordering fractions instructional activity, 4th graders make fraction strips from construction paper but pretend that they are candy bars. They use the strips to compare...
Curated OER
Equal Shmequal by Virginia Kroll
Pupils read a book and complete exercises to explore the meaning of 'equals.' In this equal numbers lesson, students brainstorm the meaning of equals and read a story about the topic. Pupils use manipulatives to study balance and equal...
Curated OER
Narrow it Down: Numbers
Elementary learners of all ages utilize their number knowledge by playing a 20 questions style game. They participate in a game in which they ask yes or no questions to a group leader in order to discover which number the leader has...
Illustrative Mathematics
Making Cookies
Hooray for chocolate chip cookies! Ask your mathematicians to triple a chocolate chip cookie recipe and then reduce the recipe by one-fourth. Your class may need two days to complete, tripling the recipe the first day and reducing the...
Curated OER
Comparing Physical Activity Choices
A physical activity log will help your elementary learners keep track of their activities. Your class will calculate the average number of physicaly active minutes per day. They compare with other students and then estimate the relative...
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.
Ohio Department of Education
Multiplying and Dividing in Scientific Notation - Grade 8
Here is really nice set of resources on scientific notation. Eighth and ninth graders explore the concept of multiplying and dividing in scientific notation. In this multiplying and dividing numbers in scientific notation lesson,...
Virginia Department of Education
How Much is that Tune?
Tune in for savings! Scholars investigate pricing schemes for two different online music download sites. After comparing the two, they determine the numbers of songs for which each site would be cheaper.
Curated OER
Value Your Digits
Third graders work with place value. In this place value lesson, 3rd graders write three digit numbers and tell the place value of each number. They compare numbers and money, regroup, discuss the value of coins, and count money.
Curated OER
Mystery Number
Learners explore numbers 1-100. In this cross curriculum literacy and numeration lesson, students listen to the book More or Less by Stuart J. Murphy. Learners play a game with a partner in which they guess the "mystery number" based on...
Curated OER
Linear Inequalities
Students solve linear inequalities. In this solving linear inequalities lesson, students solve one step inequalities algebraically. Students graph the solutions on a number line. Students compare the graphs of various inequalities such...
Curated OER
Estimating Large Numbers
Students experience large numbers by estimating the number of grass blades in a field. They work in small groups to determine numbers of blades of grass in a small area of a field and apply that to determining the total number of blades...