Who knew the sum of a number's digits gives such interesting information? The 18th installment of a 21-part module has scholars investigate division by three and nine. After looking at several examples, they develop divisibility tests...

It's not a short cut, just good old fashion number sense, but kids will love it. This presentation does a wonderful job describing the divisibility rules by showing how each one works, reviewing the rules as a collective and providing an...

Young learners apply divisibility rules to determine if a number is a factor of another number. They discuss what numbers are factors of another number and identify patterns using divisibility rules.

Sixth graders strengthen their knowledge of the divisibility rules. Students access that mental math can be faster than the calculator for certain types of problems. Students can make generalizations and discover patterns in finding the...

In this divisibility review activity, learners use problem solving skills to respond to 10 divisibility problems. Multiple choice answers are provided.

Proofs do not exist only in geometry. The video shows the class different ways that proofs appear in algebra. Pupils work through a variety of algebraic proofs involving the divisibility of an algebraic expression or whether it is even...

Students examine the rules of divisibility for the numbers 2, 3, 5, 6, 9 and 10. They apply these rules to larger numbers.

Review a variety of mathematical skills with this activity. In this number sense and operations activity, learners solve 15 different problems that include simplifying various equations. In addition, they write the powers in order from...

In this divisibility worksheet, students state whether a 1 to 3 digit number is divisible by 2, 3, 5, or none of the above. Students complete 80 problems and 16 review problems.

Students discover the Sieve of Erathosthenes. They explore a method to find all the prime numbers in a group of numbers. Using models, students practice divisibility rules while examining the difference between prime and composite numbers.

Middle and high schoolers review topics covered Pre-Algebra. They solve problems questions dealing with exponents, square roots and absolute value. They use the rules of divisibility and identify prime numbers. This two-page on-line...

In this divisibility rules worksheet, students review the rule for divisibility by 2 and then make a list of numbers from 20 to 50 that are divisible by 2. Students then mark an 'x' for the numbers that are divisible by 2. Students...

Three, two, one...liftoff! Elevate math skills to new heights while having a blast. A great resource that combines entertainment and education for children of all ages.

Give the class a prime example of using prime numbers. After reviewing prime factorization of numbers with the video, pupils use their knowledge to determine greatest common factors and least common multiples in the worksheet. The...

Fifth graders complete activities related to prime and composite numbers. In this prime lesson, 5th graders make a hundreds chart with all the prime numbers. They create their own card game which deals with prime and composite...

Learners examine the concept of finding the greatest common factor. They complete number of activities as they practice identifying prime and composite numbers. Pupils apply rules of divisibility and find the greatest common factor while...

Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...

Scholars learn how to write number theory proofs by viewing a video reviewing techniques for proofs on divisibility, parity, and consecutive integers. They then write proofs for a handful of conjectures on a worksheet.

Students become familiar with the importance of money now and the forms of money used in the past.  In this money lesson, students investigate the cour characteristics of money: portable, divisible, durable and acceptable. ...

In this simplifying fractions worksheet, students review how to simplify before multiplying fractions. Students respond to 4 multi-part questions that require them to simplify fractions prior to multiplying them.

In this math review worksheet, students complete 40 assorted problems pertaining to counting money (in English pence), addition and subtraction, divisibility, and milometer (odometer) word problems.

Break up the math review monotony with this fun Jeopardy-style game. Third graders will be asked to divide two-digit numbers by single digits. There are 22 slides full of division fun. This would be an appropriate support to the Common...

One of the best ways to motivate learners is by using a game as a review. This presentation about division lets them practice important skills in a fun way. A teacher could use this as a center activity.

Sixth graders classify numbers as abundant, deficient, or perfect based on the relationship between the number and its factors. They review factor game using the completed lab sheet. When playing the factor game which type of numbers...