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Lesson Plan
Curated OER

Modular Arithmetic

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

End of the Year Math Terms

For Students 4th
In this end of the year math test worksheet, 4th graders complete problems including addition, division, measurement, decimals, and more. Students complete 22 problems. 
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Lesson Plan
Curated OER

Let's Take a Trip!

For Teachers 6th
Sixth graders plan trip for family of four, and choose best travel plan by studying maps, considering different routes, and visiting Web sites to get airline and travel schedules.
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Lesson Plan
Curated OER

Hot Dog Stand: The Works

For Teachers 4th - 5th
Students strengthen skills in mathematics, problem solving, and communication skills by working together in groups using "Hot Dog Stand: The Works" educational software.
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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 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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Worksheet
Helping with Math

Decimals: Dividing -3

For Students 5th - 6th Standards
In this decimal division worksheet, students divide the decimal equations for 18 problems. Students improve their division skills by completing the online division activity.
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Worksheet
Curated OER

Decimals: Dividing-1

For Students 6th - 8th Standards
In this decimals learning exercise, students practice problem solving twenty four division equations involving decimals. Students show each step of their work.
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Worksheet
Curated OER

Addition-Decimals

For Students 4th - 6th Standards
In this addition learning exercise, students solve twenty equations associated with addition and decimals. Students show each step of their work as they solve each equation.
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Worksheet
Curated OER

Subtraction Decimals

For Teachers 4th - 5th
In this math worksheet, learners subtract the decimals while taking special care to keep the decimals in the correct place value. The answers are also available.