Curated OER
Computers Can Only Add
Students explore using mathematics to solve problems in base two. After a teacher demonstration of using base two to write numbers. students model similar problems to explore the concept of number systems in different bases. To increase...
Curated OER
Jo's Table
Second graders work on the problem with a partner. They examine what they are supposed to be doing. They share the students's solutions making sure than they are looking for patterns along the diagonals.
Curated OER
Subtraction - Numbers to 12
In this subtraction instructional activity, 1st graders solve for the differences in 30 vertical problems in which they use numbers up to 12.
Curated OER
Add the Double Digit Numbers
In this math worksheet, students practice addition of double digit numbers for both addends. There is no regrouping in these 12 problems. Problems are written vertically.
Curated OER
Does Your Field Measure Up
Students measure angles using a plane table kit. In this geometry lesson plan, students use trigonometric identities to find the values of the length of a football field.
Curated OER
The Art of Interpreting Percent
Ddefine the relationships between fractions, decimals, and percentages in a series of lessons. The class practices converting between these three versions of a number. They also find the common factor of a numerator and denominator and...
Curriculum Corner
7th Grade Math "I Can" Statement Posters
Translate the Common Core math standards into a series of achievable "I can" statements with this collection of classroom displays. Offering posters for each standard, this resource is a great way to support your seventh graders as...
Calvin Crest Outdoor School
Survival
Equip young campers with important survival knowledge with a set of engaging lessons. Teammates work together to complete three outdoor activities, which include building a shelter, starting a campfire, and finding directions in the...
Virginia Department of Education
Adding and Subtracting Fractions
Your learners will enjoy playing a game as a motivator to learning and remembering the adding and subtracting of fractions.
Curated OER
Pac Man Subtraction
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Curated OER
Water Bucket Relay
Third graders, in teams, play a subtraction game called Water Bucket Relay.
Curated OER
Sunspots and the Sun's Rotation
For this sun worksheet, students use a Sunspotter to observe the rotation of the sun by identifying the presence of sunspots and watching them rotate over time. Students calculate how many days it takes to see the sunspots they observe...
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Jim's Table
Students analyze given number table and insert numbers working with a partner. Class share their ideas and solutions and answer specific questions about the table discussing their answers.
Curated OER
Little Magic Squares
Students and teacher talk about arrays of numbers like the ones in A Square of Circles. They check to see that the rows all have the same sum; that the columns all have the same sum; and that the diagonals have the same sum.
Curated OER
Multiplication Facts for 2,5, and 10
Students practice multiplying by 2, 5 and 10. In this multiplication lesson, students participate in a teacher demonstration lesson of grouping for multiplication or making arrays. They concentrate on two's in this lesson and apply what...
CK-12 Foundation
Ck 12: Arithmetic: Whole Number Addition
[Free Registration/Login may be required to access all resource tools.] Write and solve vertical addition problems with whole numbers.
AAA Math
Aaa Math: Vertical Addition
See examples of addition problems that are arranged vertically. There is also a game that allows you to practice your addition skills. The game keeps track of your correct and incorrect answers, it also gives a percentage score of your...
Cool Math
Coolmath: Coolmath4kids: Scratch Addition
Demonstrates a method for easily adding long vertical columns of numbers. Includes two sample problems to try.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Point, Line, Planes, Angles
Practice using your graphing calculator for drawing and labeling points, lines, planes, and angles. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each...
Varsity Tutors
Varsity Tutors: Aplusmath: Addition Worksheets
Create customized addition worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can also be...
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Lawrence Hall of Science
The Math Page: Skill in Algebra: The Slope of a Straight Line
Here is a site that clearly and thoroughly explains many topics surrounding the slope of a line, including slope of horizontal, vertical, parallel, and perpendicular lines in addition to the formula and concept of slope. There are...
Geometry Help
Geometry Help: Intersecting Lines and Angles
Explains the basic concept of intersecting lines and angles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.