How tall is the Empire State Building? Lead your class through a collaborative estimation activity to determine the number of quarters it would take to reach the top and teach the following concepts: human capital, human resources,...

In this mystery numbers worksheet, students solve 4 different word problems that include guessing numbers described. First, they determine a two digit number that has the sum equal to 6. Then, students determine a two digit number that...

Students develop useful strategies for mental calculation when estimating possible addition solutions. They mentally perform calculations involving addition and subtraction. Students state the estimated sum or difference between numbers.

Second graders practice their addition basic facts. They work in groups of three with one tennis ball or Koosh ball. Students call out a number one at a time and passes the tennis ball to another. The third student adds the two numbers...

In this infinite geometric series learning exercise, 11th graders solve and complete 33 various types of problems. First, they find the sum of the infinite geometric series for each of the given. Then, students find the range of values...

High schoolers are introduced to the concept of convergent infinite series using a recursive geometric construction. They explore the concept of a convergent infinite series using partial sums. Students use formal calculations,...

In this Algebra II worksheet, 11th graders find the sum of a pair of vectors.  The two page worksheet contains a combination of nine multiple choice and free response questions.  Answers are included. 

Students draw triangles and explore the classification of each using the measures of interior angles and lengths of sides. They investigate the sum of the interior angles of various triangles and conjecture and prove the theorem: The...

In this trig functions instructional activity, students solve and complete 24 different types of problems. First, they find the limits for each trig function given. Then, students find xso that the given infinities series converges. They...

In this finding the sums worksheet, 1st graders color in the three numbers that add up to the number in each cloud in 9 boxes. Students study the first one done for them.

In this matrices for data learning exercise, 9th graders solve and complete 29 various types of problems that include using matrices to illustrate data. First, they determine the sum, difference and scalar product for each matrices...

In this adding small numbers worksheet, students use objects to add numbers and choose the correct answer. In this multiple choice worksheet, students choose the correct sum.

In this finding the sums of decimals to the hundredths place worksheet, students rewrite the horizontal problems and add problems with mixed regrouping and no regrouping. Students solve 32 problems.

Students use Excel spreadsheets to organize purchases, discounts, sales prices, and sales tax. Students follow step by step instructions and enter formulas as well as use the auto sum feature to calculate required calculations.

Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...

In this rational expressions learning exercise, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an...

In this addition worksheet, 1st graders cut out 5 pictures of ants at the bottom of the worksheet, use them to act out 4 stories and then write the sum to each one.

In this addition learning exercise, students fill in the numbers inside 7 penguins by adding together the 2 penguins right above each one. Students figure out the sums for each penguin with Pascal's triangle.

For this finding the surface area worksheet, students use the sum of the faces to solve the surface areas of solid figures. Students solve seven problems.

In this addition word problem worksheet, students add one-digit plus one-digit numbers to find the sum. Students solve 9 problems.

High schoolers calculate the altitude of triangles.  In the web based lesson, students explore the interior distance from a given point in a polygon to its side.  They compute the sum of these lengths. High schoolers read...

In this addition practice instructional activity, students use their counting skills to solve 5 problems that require them to record the numbers that are represented by the math counters.

Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...

A guided lesson using the WolframAlpha computer program. The class explores the basic operations of adding, subtracting, multiplying and dividing matrices to solve problems.