Curated OER
Subtraction Fractions, Common Denominators
How many steps do you need to subtract fractions with common denominators? Thirty problems await your kids, all with outlined steps for easy solving. Some fractions need to be reduced, while others will be solved after one step. An...
Illustrative Mathematics
Complex number patterns
Start off with the definition of the imaginary number i, then have your class practice simplifying expressions involving powers of i and look for patterns. See how the cyclic nature of powers of i translate to sums of powers of i.
Curated OER
Name the Rests
Help your musicians learn rest counts and rhythm symbols with these 16 fill-in-the-blank questions. Questions ask learners to draw the matching rest symbol per given rest count. The next set of questions ask the opposite, the correct...
Lone Star College
Geometry Worksheet II
Young geometers get practice with the algebra of angles in an extensive skills practice worksheet. Supplementary, complementary, and vertical angle relationships are used, along with parallel lines cut by a transversal and angle sum...
College Board
2009 AP® Calculus AB Free-Response Questions
What was one of the big takeaways from 2009? By reviewing the released AP® Calculus free-response questions, pupils and teachers realize that performing mathematics is not all there is to doing well on the exam. Several items require...
College Board
2009 AP® Calculus BC Free-Response Questions
Dive into the exam review. Pupils use questions, including one about diving into a pool, to prepare for the AP® Calculus BC exam. Items include contextual and non-contextual questions with contextual examples requiring a calculator....
Federal Reserve Bank
Sky Boys: How They Built the Empire State Building
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,...
Curated OER
Mystery Numbers
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...
Curated OER
Perimeter Play
Fifth graders identify that the perimeter of a shape is the sum of its sides.
Students cut some string or rope to make the sides of a rectangle. Students write the measurement of the length of the rectangle and the measurement of the...
Curated OER
Tennis Ball Addition
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...
Curated OER
Can You Guess
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.
Curated OER
Angles in Polygons
In this geometry worksheet, 10th graders solve problems involving quadrilaterals using the angle sum of quadrilaterals. They solve for linear pairs, opposite angle theorem and triangular angles. There are 5 questions.
Curated OER
Infinity
Students determine the sum of an infinite geometric series. In this determining the sum of an infinite geometric series lesson plan, students discuss how the sum of an infinite geometric series is a paradox. Students use the...
Curated OER
Multiplication of Decimals
In this multiplication of decimals worksheet, students solve and complete 33 various types of problems. First, they find the missing number for each sum marked. Then, students use Egyptian multiplication to find the sums for each...
Curated OER
Radical Expressions: Add and Subtract
In this radicals worksheet, students simplify the sum or difference of radical expressions. There are 11 multiple choice questions.
Curated OER
Infinite Geometric Series
In this infinite geometric series worksheet, 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 for each...
Curated OER
Exploring Infinite Series through Baravelle Spirals
Students 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, visualizations,...
Curated OER
Shapes and Designs
For this shapes and designs worksheet, 10th graders solve and complete 6 different types of problems. First, they fill in the first two columns of the table show with their shapes. Then, students measure the interior angles of each...
Curated OER
Vectors
For 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.
Curated OER
Addition Exercises
In this finding the sums word problem worksheet, learners read the word problems and write the expressions, or number sentences, for each problem. Students solve five problems.
Curated OER
Exploring Characteristics of Triangles
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...
Curated OER
Challenge: Seven Triangles - Division Word Problems
In this division learning exercise, students solve 6 division word problems. Students write the answer to each problem in a triangle labeled with the number that corresponds to the number of each word problem. Students then add up...
Curated OER
Interior/Exterior Polygon Angles and Tessellations
Students discover the sum of the interior and exterior angles of several polygons. In this Geometers sketchpad lesson, students work in groups to find the stated measurements of triangles, quadrilaterals, pentagons and hexagons. Students...
Curated OER
2.1 Arithmetic Series
In this arithmetic series worksheet, learners solve 30 short answer problems. Students find the sum of a given arithmetic series. Learners find arithmetic means between two terms in an arithmetic sequence.
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