Curated OER
Teaching and Learning Through Objects
Students identify and interpret the function, usefulness or utitlity, form, beauty or aesthetics, and meaning, context or story, of objects and how they learn new skills and make things that they learn traditionally, by observation and...
Howard County Schools
Maria’s Quinceañera
How long will it take to save up for a car? Classmates use linear and exponential models to see how money received during a Quinceanera will grow over time.
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. In this instructional activity on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already...
Curated OER
Division of Monomials
Students relate the division of monomials to multiplication. In this division of monomials instructional activity, students divide monomials by factoring and dividing common factors from the originals. They check their answers by...
Curated OER
Integer Arithmetic
Young scholars solve integer-based problems. They add and subtract integers as well find missing integers. They represent a scenario involving positive and negative integers and solve it.
Curated OER
What's Below Zero?
Students examine the concept of positive and negative integers, adding and subtracting integers on a number line. They visit various Internet websites, solving problems using integers and completing a worksheet.
Curated OER
Calculating Discounts and Sales
Students discover that a discount is used by manufacturers and merchants to mean taking off a certain percentage of the price given in a price list. This price is called the list price. The list price less the discount is known as the...
Curated OER
Multiplying Decimals and Mixed Numbers
Middle schoolers multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
Curated OER
Teaching Respect
Students discuss what it means to respect others and have a continual discussion throughout the year. In this respect lesson plan, students role play respecting each other.
Curated OER
Chaos
Students experiment with several chaotic simulation, they build a working definition of chaos. Students reinforce their knowledge of basic probability and percents. They are reminded of previous knowledge that is pertinent to this...
Curated OER
Estimating Altitude of Water Cloud Base
Students conduct an experiment to determine dew point and use a formula to detemine altitude. They construct a chart and predict what altitude clouds would form, given the dew point on the ground.
Curated OER
Perimeter Playground
Students explore geometry by participating in a school measuring activity. In this perimeter lesson, students discuss the techniques and methods used in order to measure a large perimeter or geometric figure. Students utilize grid paper,...
Curated OER
SAT Practice Test
In this online, interactive learning exercise, students solve ten SAT preparation problems in 12 minutes. The problems vary in difficulty and content.
Curated OER
Systems and Matrices
In this algebra worksheet, learners are asked to find replacement sets for modified problems. There are 39 questions with an answer key.
Curated OER
Order of Operations
In this math worksheet, students read about the order of operations and view examples. Students then answer 6 order of operation problems.
EngageNY
An Appearance of Complex Numbers 2
Help the class visualize operations with complex numbers with a lesson that formally introduces complex numbers and reviews the visualization of complex numbers on the complex plane. The fifth installment of a 32-part series reviews the...
Curated OER
The Number Line
Learners graph and order numbers using a number line. They also solve word problems using fractions and decimals and rewrite equations to solve problems correctly. Several example word problems are given.
Illustrative Mathematics
Solving Equations
If you have two bags with an unknown number of tiles, represented by x, and you add three tiles to get seven total, you can set up a linear equation to represent the problem. Use this example and a few others to demonstrate how to solve...
Curated OER
Eight Integers and Eight Cubes
In this number puzzle instructional activity, students are given 8 clues to find 8 integers. Clues refer to measures of central tendencies, abundant numbers, perfect cubes, and palindromes.
Curated OER
A Matter of Proportion
Students measure the relative heights of the mosaic giraffe and its trainer and compare their proportions to an actual giraffe and zoo trainer.
Curated OER
Ratio Analysis
Students define ratios and how they apply in a business context. They practice ratios through an activity that involves financial data.
Curated OER
Sets an the Venn Diagram
Students explore the characteristics of sets and Venn Diagrams. Given data, students practice determining the placement of elements in a Venn Diagram. Students discuss the correspondence between data sets and their graphical...
Curated OER
Translations, Reflections, and Rotations
Students are introduced to the concepts of translation, reflection, and rotation. They practice translating, reflecting, and rotating two-dimensional objects on the coordinate plane. students use computers to learn about the three concepts.