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Interactive
CK-12 Foundation

Arithmetic Series Sums: Adding Arithmetic Sums

For Students 11th - Higher Ed
Sum up the shortcuts. The interactive allows pupils to discover a shortcut in finding a partial sum of an arithmetic series. Learners use the shortcut to find other sums and to verify the process.
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Lesson Plan
Scholastic

Adding and Subtracting Ten

For Teachers K - 2nd Standards
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
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Handout
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West Contra Costa Unified School District

Adding Numbers

For Students K - 6th Standards
Support math instruction at home with a helpful reference sheet designed for parents. Three pages cover the subject of addition with written details and labeled pictures. 
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Lesson Plan
University of Minnesota

Fraction Operations and Initial Decimal Ideas

For Teachers 4th - 6th Standards
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
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Worksheet
DK Publishing

Addition Practice #2

For Students 2nd - 3rd Standards
Encourage young scholars to tap into their inner math-whiz as they add three and four-addend equations. The first 36 problems each have three addends (none over two-digit), and are written horizontally. Next, they complete eight more...
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Worksheet
Curated OER

Worksheet 8

For Students 6th - 8th
In this math worksheet, students consider the harmonic series. They assume that the sums move towards infinity and that they are divergent.
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Worksheet
Curated OER

Integrals

For Students 11th - 12th
In this Calculus activity, students evaluate problems with integrals that require the use of the trapezoidal rule, Simpson’s rule and decomposition into partial rations.  The two page activity contains sixteen problems.  Answers are not...
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Lesson Plan
Curated OER

Worksheet 7 - Integral Test

For Teachers Higher Ed
For this integral test worksheet, students use the integral test to determine the upper and lower bounds for a given function. They identify the convergence of a series. This one-page worksheet contains four multi-step problems.
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Lesson Plan
Curated OER

Understanding Whole Numbers

For Teachers 4th
In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
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Whiteboard
ClassFlow

Class Flow: Everyday Math Gr5 1.1

For Teachers 3rd - 5th
[Free Registration/Login Required] This lesson was made to compliment Everyday Mathematics Grade 5, Lesson 1.1. It includes the poem, Arithmetic, math boxes with added materials, and High Number Toss math game.