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Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 8th - 10th
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
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Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 9th - 12th
High schoolers investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
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Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
Learners perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Learners apply their multiplication, division, addition, and subtraction skills.
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Lesson Plan
Curated OER

Modular Arithmetic

For Teachers 5th - 6th
Students investigate modular arithmetic and how to use it to solve real world problems. In this modular arithmetic lesson, students use computers to work on modular arithmetic after a teacher guided lesson. They complete guided practice...
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Worksheet
Curated OER

Numerical Analysis/ Floating Point Arithmetic

For Students 11th - Higher Ed
In this math learning exercise, students examine the concept of floating point arithmetic. They compare the tools of chopping and rounding to measure accuracy.
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Worksheet
Curated OER

Arithmetic Tricks

For Students 6th
In this basic arithmetic worksheet, 6th graders solve 6 math problems. The problems include a variety of addition, subtraction, and multiplication.
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Lesson Plan
Curated OER

Geometric & Arithmetic Patterns

For Teachers 8th
Eighth graders explore sequences. They discuss the difference between an arithmetic sequence and a geometric pattern. Students participate in workstation activities where they determine arithmetic or geometric patterns and predict the...
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Worksheet
Curated OER

Applications of Modular Arithmetic

For Students Higher Ed
In this modular arithmetic worksheet, students use modular ten arithmetic to create Universal Product Code. This two-page worksheet contains seven problems.
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Worksheet
Curated OER

Mental Arithmetic Sets 3 and 4

For Students 3rd
In this mental arithmetic worksheet, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting. 
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Lesson Plan
Curated OER

Arithmetic and Square Roots - Week 1

For Teachers 9th - 11th
In this basic arithmetic and square root worksheet, learners solve basic arithmetic problems such as determining the cost of a meal. They solve equations containing square roots. This three-page worksheet contains eight problems.
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Worksheet
Curated OER

Arithmetic Tricks

For Students 4th - 8th
In this arithmetic tricks instructional activity, students learn tricks and complete problems involving exponents and multiplication x 11. Students complete 11 problems total.
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Interactive
Curated OER

Arithmetic Mean and Geometric Mean

For Students 7th - 9th
In this algebra worksheet, students solve rational expressions. They differentiate between arithmetic and geometric mean. These problems are interactive with a solution key.
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Lesson Plan
Curated OER

Sequence Investigation

For Teachers 11th
Eleventh graders investigate arithmetic sequences.  For this Algebra II lesson, 11th graders create an arithmetic sequence and explore the effect of each variable in the formula of the nth term of an arithmetic sequence.  Students graph...
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Lesson Plan
Curated OER

Difference of Squares

For Teachers 6th - 8th
Young scholars analyze arithmetic statements.  In this difference of squares lesson plan, students explore patterns and factor the difference of two squares.  They compare quantities with integers.  Young scholars model and solve equations.
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Worksheet
Curated OER

Trigonometry Practice Series #3

For Students 7th - 12th
In this trigonometry worksheet, students calculate the sum of the terms in an arithmetic and geometric series.  This two-page worksheet contains 5 multi-step problems.  Answers are provided at the bottom of the page.
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Unit Plan
Mathematics Vision Project

Module 1: Sequences

For Teachers 9th - 10th Standards
Take steps into sequences. An 11-lesson unit builds upon pupils' previous understanding of writing expressions to develop the idea of sequences. The resource explores both arithmetic and geometric sequences using recursive and explicit...
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Lesson Plan
TryEngineering

Recursion: Smaller Sibling Pyramids

For Teachers 3rd - 6th Standards
Get siblings to do your work. Scholars learn how to perform summations of arithmetic sequences in an innovative activity. They use iterations, smaller siblings (tail-end recursion), and the divide-and-conquer approach.
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Lesson Plan
Willow Tree

Fibonacci and Other Sequences

For Students 8th - 11th Standards
Fibonacci is an interesting sequence that forms some unique patterns. Learners explore sequences that do not have the typical arithmetic and geometric patterns. They identify the pattern and find the next consecutive terms....
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Worksheet
Curated OER

Arithmetic Operations with Negative and Positive Numbers Review

For Students 5th - 8th
In this arithmetic operations review worksheet, students review basic arithmetic operations with both positive and negative numbers. The worksheet shows adding real numbers, subtracting real numbers, multiplying real numbers and dividing...
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Worksheet
Curated OER

Arithmetic and Geometric Sequences and Series

For Students 7th
In this arithmetic and geometric sequences and series worksheet, 7th graders solve and complete 10 different sets of numbers. First, they determine the common difference in each set of numbers. Then, students subtract a pair of terms and...
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Interactive
PHET

Arithmetic

For Students 3rd Standards
Three interactives times three difficulty levels equals nine possible games. Scholars play a online game that requires finding products, determining missing factors, and finding quotients. Multiplication tables are available to help...
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Interactive
Curated OER

Geometric and Arithmetic Sequences

For Students 6th - 10th
In this geometry worksheet, students answer questions about geometric and arithmetic sequences. This lesson is an online interactive lesson.
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Worksheet
Curated OER

Arithmetic Series, Geometric Series, Partial Sums of Geometric Series

For Students 11th - 12th
In this Algebra II/Pre-calculus worksheet, students solve problems that involve arithmetic series and infinite geometric.  Students determine the partial sums of a geometric series. The three page worksheet contains forty-six problems. ...
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Worksheet
Curated OER

Find the Difference--Mental Arithmetic

For Students 3rd
In this subtraction worksheet, 3rd graders solve 4 subtraction problems mentally and then write their answers in the boxes provided. Students fill in the missing numbers in 11 problems and explain how they got to their answers in the...

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