Primes Less than 100
posted in: Number Theory
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Sporcle game here. Name all the primes less than 100 in 3 minutes.
Counting in Base Two
posted in: Number Systems
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Practice with this Sporcle quiz — three minutes to count from one to twenty-five in base two. Let me know what you think. This is my first Sporcle Quiz ever.
The Biggest Product
posted in: Calculus, Problem Solving Activities, Whole Numbers and Operations
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I start this activity by handing out buckets of tiles (any small objects will do) and asking students to take 10. They can sort their ten tiles into any number of piles, and their “prize” is the product of the … Read More
Random Cool Math Thing #3
posted in: Discrete Mathematics, Random Cool Math Things
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Odd Perfect Squares
Random Cool Math Thing #2
posted in: Geometry, Random Cool Math Things
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Pythagorean Card Table
Random Cool Math Thing #1
posted in: Algebra, Random Cool Math Things
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Night Boat Photography
Pascal’s Triangle
posted in: Discrete Mathematics, Spreadsheets
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Explores some patterns in Pascal’s Triangle using Excel, including using conditional formatting to make a Sierpinski triangle. Excel Level: Beginning Plus (introduces conditional formatting). Math Level: Elementary – College.
Multiplication Table
posted in: Spreadsheets, Whole Numbers and Operations
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Making a multiplication table is an excellent beginning Excel Activity. This video shows an efficient way to do it using absolute references, but there are many other approaches. I use an open-ended handout for this activity in class. This video … Read More