In this math pyramid learning exercise, learners add the adjacent numbers together and write their sum in the block above them in six math pyramid's.

In this five minute adding frenzy worksheet, students problem solve one hundred addition equations within five minutes by writing the sum of the column and row numbers in each space.

In this pi worksheet, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi. Students...

For this matrices for data worksheet, 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 shown. Then,...

In this mental math addition worksheet, students determine sums. In this problem solving worksheet, students write answers to twenty problems.

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 addition worksheet, students practice figuring out 2 different ways to come up with 2 different number sentences with the following sums: 12, 16, 20, 17 and 30. Students write their answers in the boxes and circles provided.

In this Algebra II/Pre-calculus activity, 11th graders rewrite a series as a sum, evaluate a series, and rewrite a series using sigma notation.  The two page activity contains 32 problems.  Answers are provided.

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

In this addition and subtraction worksheet, students find the sums of whole numbers with decimals in the ten thousandths place value. Students solve 32 problems.

In this graphing functions worksheet, students solve four problems where they graph given functions, find the sum related to the area under the curve and determine an integral.

In this Pre-calculus worksheet, learners determine the sum of the indicated number of terms of the arithmetic or geometric series.  The one page worksheet contains fifteen problems.  Answers are provided. 

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...

Learn to calculate the nth term of a sequence defined by an algebraic expression. They examine geometric sequences and series, relate geometric sequences to their explicit forms, find the partial sums of a sequence in a table, and...

Students explore the concept of rounding. In this rounding lesson, students round fractions and mixed numbers. Students estimate the sums, differences, products, and quotients of rounded fractions and mixed numbers.

Learners investigate cyclic quadrilaterals in this geometry lesson. They use Cabri Jr to explore the sum of the measures of opposite angles in a cyclic quadrilateral. The dynamic nature of Cabri allows high schoolers to form and verify...

In this triangles learning exercise, students measure and calculate the measurements of eight triangles, their sums and classify the triangles as acute, obtuse or right.

In this rational expressions worksheet, 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 equation....

In this problem solving strategies learning exercise, learners solve and complete 5 different word problems that include logic and the process of elimination. First, they determine the number of questions asked to determine a selected...

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 worksheet, 3rd graders figure out and put in the missing numbers in 8 addition problems, so each of the sums in the boxes add up to 19. Students write down all the pairs of numbers with a total of 19 and solve 5...

In this angle bisector worksheet, 10th graders solve and complete 23 various types of geometry problems. First, they find the angles listed in the figure shown. Then, students determine the sum of the interior angles of a polygon. They...

In this addition activity, 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.