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Number Theory Teacher Resources
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In this number puzzles worksheet, students solve problems by figuring out which number to substitute for each of the letters in the puzzle. The first 8 puzzles feature two or more words added and subtracted from each other to form another word. The final set of 8 problems features the use of random symbols representing the numbers in addition and subtraction problems. Students are encouraged to create their own problems.
Students explore the concept of probability and number theory. In this probability and number theory lesson, students play an on-line game where they roll two dice and move that many spaces. Students make tables of the number of ways a students can get a particular outcome. Students use trees to organize their data.
Students explore the Mayan culture’s achievements in mathematics. In this secondary mathematics lesson, students investigate the Mayan calendar and convert from Mayan numbers to decimal numbers and vice versa. Students add, subtract, multiply and divide in Mayan arithmetic.
What middle schooler does not enjoy an occasional online game? In this lesson play, you will find embedded links to an online probability game, and informative pages about how division is used in probability, the concept of tree models, and an interactive dice activity. Chances are that you will want to include this in your probability curriculum!
Who doesn't like to eat? Use food to explore the concept of fractions and how to multiply and divide fractions. In small groups they plan a sugar potluck that involves converting a recipe to produce enough dessert treats to feed the entire class. Math learners calculate the amount of ingredients for the entire project and for each individual recipe, make their recipe, and share it with the class.