Arithmetic and Pre-Algebra Teacher Resources

Find Arithmetic and Pre Algebra educational ideas and activities

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In this arithmetic and geometric progressions worksheet, students solve and complete 8 different types of progression problems. First, they determine whether each progression is arithmetic, geometric, or neither. Then, students find the sixth and twentieth terms and the sum of the first 10 terms of each sequence.
To find the 20th term in an arithmetic sequence, use the secret formula. What secret formula? It's: a sub n equals a sub one plus parentheses n minus one close parentheses times d. Got that? No? The watch this video to learn about the secret formula.
2, 4, 6, 8, who do we appreciate? Do the numbers in this sequence make it an arithmetic sequence? Watch this video and find out.
Learners who view this video should gain a better understanding of the difference between a geometric sequence and an arithmetic sequence. The video includes an example of each, with step-by-step instructions on how to figure out which is which. The lecturer explains that you need a common ratio for the sequence to be geometric and a common difference for the sequence to be arithmetic.
Students investigate modular arithmetic and how to use it to solve real world problems. In this modular arithmetic instructional activity, students use computers to work on modular arithmetic after a teacher guided instructional activity. They complete guided practice and independent practice by completing the associated worksheets.
Students explore the concept of arithmetic series and sequences. In this arithmetic series and sequence instructional activity, students compare arithmetic sequences and series. Students solve arithmetic series and sequence word problems.
Find the sequence of an equation with your math super stars. They differentiate between arithmetic and geometric sequences and then calculate the sum of finite and infinite sequences.
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 with another student. Students solve their partner's message.
Young scholars 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.
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 sequence.
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
In this arithmetic sequences worksheet, students find the indicated term for a given arithmetic sequence. They identify the means in a sequence and complete statements for sequences. This one-page worksheet contains 26 problems.
In this arithmetic sequences worksheet, students find the indicated term of a given arithmetic sequence. They write an equation for the nth term of a sequence and determine the mean of the sequence. This one-page worksheet contains 26 problems.
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.  Answers are not provided. 
A good explanation for blossoming mathematicians, this video explains the difference between average and central tendency, as well as arithmetic mean, median, and mode. Those who haven't grasped these concepts in algebra or those who are looking for a solid review will appreciate the information in this presentation.
Common difference? Sounds like an oxymoron. It's a math term used to describe a pattern that may occur between a series of numbers. Watch this video and the instructor will explain what the term means as it is applied to an arithmetic sequence.
Learners who view this video should gain a better understanding of the difference between a geometric sequence and an arithmetic sequence. The video includes an example of each, with step-by-step instructions on how to figure out which is which. The lecturer explains that you need a common ratio for the sequence to be geometric and a common difference for the sequence to be arithmetic.
2, 4, 6, 8, who do we appreciate? Do the numbers in this sequence make it an arithmetic sequence? Watch this video and find out.
In this arithmetic series worksheet, students solve and complete 26 various types of problems. First, they evaluate the related series of each sequence shown. Then, students determine the number of terms n in each arithmetic series.
Twenty-eight problems, two pages, and an answer key all related to number patterns, recursive formula, and arithmetic sequence. Leaners find the next number in the pattern or sequence and determine the arithmetic formula to go with the pattern.