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Activity
Computer Science Unplugged

Card Flip Magic—Error Detection and Correction

For Teachers 4th - 12th
I can find the error in an array of cards? After watching a demonstration class members search for the error is the provided cards. The resource provides a real-life example of using ISBN numbers in error detection and using check sums.
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Worksheet
Curated OER

Human Coordinate Plane: Student Worksheet

For Students 4th - 7th
An excellent way to teach the basics of coordinate graphing is here for you! Young mathematicians take on the identity of one of the two numbers in a coordinate pair, and the entire class must arrange themselves in the proper order. This...
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Lesson Plan
Curated OER

Hooked On Problem Solving

For Teachers 4th
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
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Worksheet
Curated OER

Mathematics Teacher September 2002

For Students 4th - 10th
In this algebra lesson, learners analyze and play with a trimagic square. They play a game through addition and squaring and cubing. 
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Lesson Plan
Curated OER

the Squares of Numbers in Multiplication

For Teachers 2nd - 3rd
Students memorize the multiplication math facts and learn many different ways of visualizing and practicing the multiplication concepts. They begin practicing with arrays, skip counting, and moving manipulatives for the 0, 1, 2, 3, and 4.
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Lesson Plan
Curated OER

How using number patterns help us add or subtract

For Teachers 2nd
Second graders use a number line to understand multiples.  In this number line lesson, 2nd graders use a floor size number line and calculate problems with multiples. Students complete a worksheet with multiples.
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PPT
Curated OER

Multiplication PowerPoint

For Teachers 3rd - 4th Standards
Providing a step-by-step explanation of two-digit multiplication, a list of vocabulary words associated with this concept, and great examples, this resource would be a terrific classroom addition. Besides the set of of simple...
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Lesson Plan
Virginia Department of Education

Arithmetic and Geometric Sequences and Series

For Students 9th - 12th Standards
Examine the importance of sequence and series through contextual situations. Here, learners partake in a five-day unit that begins with the basics of arithmetic and geometric sequences and series. As it progresses, pupils apply the...
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Lesson Plan
Curated OER

Geometry and Geoboard

For Teachers 6th
Sixth graders use geoboards and dot paper to experiment with geometric concepts. In this geometry lesson, 6th graders complete four activities using geoboards or dot paper including naming points on a coordinate plan and finding the area...
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Worksheet
Curated OER

Find Factors of a Number

For Students 4th - 7th
In this finding factors practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.