West Contra Costa Unified School District
Divisibility Rules Justified
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in groups.
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Divisibility and Factors
In this divisibility and factors worksheet, students use the rules of divisibility to identify factors of a number. This two-page worksheet contains 26 problems. Answers are provided on the last page.
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A Prime Investigation wtih 7, 11, and 13
Ninth graders investigate divisibility rules. In this middle school mathematics/Algebra I lesson, 9th graders explore the divisibility rules of 7, 11, and 13. Students examine certain six-digit numbers that are divisible by 7, 11, and 13.
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Remainders and Divisibility
In this remainders and divisibility worksheet, 3rd graders determine the divisibility of 10 numbers, then write the remainder if there is one.
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Divisibility Worksheet
In this divisibility worksheet, students complete 9 problems in which they determine which number is divisible by the given number. They choose between 4 numbers for each divisibility factor. They complete the pages on-line and print the...
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Using Divisibility
In this divisibility worksheet, 7th graders solve 10 different problems related to using divisibility rules to solve each one. They use the clue given for each problem to fill in the missing digit. Students determine which prime number...
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Divisibility: Homework
In this divisibility worksheet, learners tell whether numbers are divisible by given numbers, use a table to solve 2 word problems and solve 1 addition word problem. Houghton Mifflin text is referenced.
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Number Sense and Operations
In this number sense and operations worksheet, students solve 15 different problems that include number lines and identifying various types of numbers. First, they solve a given equation and then check their work. Then, students find the...
Math Mammoth
Divisors = Factors 1
In this mathematics worksheet, 4th graders fill in the chart with the factors divisible by each number. Then they study the charts and respond to the five word problems that follow. Students also find as many common factors of the given...
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Independent Events
For this independent events probability worksheet, students solve 10 different problems that include determining the probability of certain events described. First, they determine the probability of selecting at random a number divisible...
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Number Theory
Learners explore the concept of number theory. They discuss an assortment of number theory topics such as prime numbers, composite numbers, GCF, modular arithmetic, and others in a lecture style discussion. Pupils view videos about these...
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Mathematical Induction Problems
In this induction problem worksheet, students show that given equations can be divisible by a specified number through the process of induction. This one-page worksheet contains sixteen problems.
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Number Theory and Fractions Vocabulary Crossword
In this math crossword, students use a set of clues and 15 words about number theory and fractions to complete a crossword puzzle. A reference web site is given for additional activities.
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Matching the Number
In this algebra worksheet, 11th graders answer a variety of questions dealing with math and science. They match the letters in the questions to the number of the questions. There are 14 questions with an answer key.
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Find the Even Numbers 1
In this online interactive number sense worksheet, students examine a series of 1 and 2-digit numbers. Students identify the even numbers in the series and check their answers.
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Find the Even Numbers 2
In this online interactive number sense worksheet, students examine a series of 1 and 2-digit numbers. Students identify the even numbers in the series and check their answers.
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Find the Even Numbers 4
In this online interactive number sense worksheet, students examine a series of 1 and 2-digit numbers. Students identify the even numbers in the series and check their answers.
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Find the Even Numbers 5
In this online interactive number sense learning exercise, students examine a series of 1 and 2-digit numbers. Students identify the even numbers in the series and check their answers.
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Find the Even Numbers 6
In this online interactive number sense worksheet, students examine a series of 1 and 2-digit numbers. Students identify the even numbers in the series and check their answers.
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Find the Even Numbers 7
In this online interactive number sense worksheet, students examine a series of 1 and 2-digit numbers. Students identify the even numbers in the series and check their answers.
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Find the Even Numbers 8
In this online interactive number sense worksheet, students examine a series of 1 and 2-digit numbers. Students identify the even numbers in the series and check their answers.
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Find the Even Numbers
In this online interactive number sense worksheet, students examine a series of 1 and 2-digit numbers. Students identify the even numbers in the series and check their answers.
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Judge Handley's Phone Number
For this phone number worksheet, students examine clues and use number sense to determine the answer to given riddles. Upon completion of each statement, the student will have the correct answer to Judge Handley's phone number. This...