For this empirical formulas worksheet, students read about determining empirical formulas from chemical formulas. They determine the empirical formula given ten molecular formulas. They also find the molecular formulas given the mass and...

In this geometry activity, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.

In this secondary mathematics worksheet, students solve a cross number puzzle.  The one page worksheet contains one problem with the solution. 

In this formula mass worksheet, students read about molecular substances and their formula masses. They find the formula masses for six compounds using the atomic masses of its elements.

In this probability worksheet, students roll dice to determine the experimental probability of rolling each number on a die. The experiment is repeated using a dice rolling application on their computer. Students find the theoretical...

In this math treasure hunt worksheet, students complete problems that relate to the answer from the problem before until they reach the last problem. Students complete 6 problems.

In this math activity, students practice division facts and investigate divisibility by playing a dominoes game with 4 players. To score points the dots at the far ends of the game are added and if the number is divisible by one or more...

Students solve problems using a calendar. In this calendar lesson, students complete a worksheet of math story problems. Example problems are provided. 

Students explore the concept of subtracting a number from a place value. In this subtracting from a place value lesson, students subtract numbers from a particular place value.

Ninth graders practice recognizing similarities and differences found in the graphing of inequalities and equations. Once observatioons are made they solve some of their own applying prior knowledge.

Students describe the functions of money as a medium of exchange, a store or a measure of value. They determine a number of characteristics of money by completing an activity in which they assign common items the value to buy candy. They...

For this guess and check strategy worksheet, students solve the word problem using the guess and check method and following the understand, plan, solve, and look back steps.

In this prime factors worksheet, 6th graders find the prime factors of two digit numbers. Students complete 6 problems where they find prime factors.

Sixth graders practice implementing manipulative's to assess composite and prime numbers. They formulate representations of rational numbers in a variety of ways including graph paper, sieves of Eratosthenes and multiple worksheets.

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...

In this number manipulation instructional activity, students solve 4 different types of problems that include number manipulation. First, they use division, multiplication, addition, or subtraction to make each set of numbers into...

In this fractions vocabulary activity, students match a set of 15 number theory and fraction vocabulary words with their definitions. Answers are included on page 2.

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.

In this division games worksheet, students play games of "cut and choose," last diminisher and sealed bids. Instructions for each game are given and are designed so that fair share is always won in spite or irrational playing.

Students sort objects by color. In this classification lesson, students identify the color of the objects and categorize them according to color.

In this matching fractions vocabulary worksheet, 6th graders match eighteen words about fractions in one column with definitions in the other column.

For this grade 5 number sense worksheet, students complete a total of 25 problems covering a wide range of 5th grade math number sense concepts. Answers are included.

Students identify division problems with no remainders. In this division lesson, students learn to decipher division problems using addition and subtraction to determine if the problem will contain a remainder.

In this division worksheet, students answer a set of 10 questions, trying to answer all questions "in their head." Answers are included on page 2.