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Illustrative Mathematics
Sum and Difference Angle Formulas
Need practice deriving trigonometric angle formulas? With this worksheet, pupils derive the sum and difference formulas for cosine and tangent and the difference formula for sine. Scholars use the sine sum formula and other known...
Curated OER
Angle Sum and Difference
In this angle sum and difference worksheet, 11th graders solve 10 different problems related to determining the angle sum and difference of numbers. First, they determine the exact value of sine and cosine degrees. Then, students utilize...
EngageNY
Addition and Subtraction Formulas 1
Show budding mathematicans how to find the sine of pi over 12. The third instructional activity in a series of 16 introduces the addition and subtraction formulas for trigonometric functions. Class members derive the formulas using...
Curated OER
Sum and Difference angle formulas
Learners use the sum angle formula for sine to derive the sum and difference formulas for cosine and tangent. The level of difficulty is quite high. Learners must be familiar with trigonometric identities as well as the characteristics...
EngageNY
Addition and Subtraction Formulas 2
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
Curated OER
Odd or Even (Sums and Differences)
In this math worksheet, students examine 14 problems inside geometric shapes. Students solve the simple addition or subtraction problems and color the shape blue if the answer is even and red if it is odd.
Math Mammoth
Construct Line Segments and Angles
In this math worksheet, learners are asked to used a compass and straight edge to construct copies of shapes, angles and line segments.
Curated OER
Christmas Tree Angles
For this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
EngageNY
One-Step Problems in the Real World
Mirror, mirror on the wall, which is the fairest resource of them all? Individuals write and solve one-step equations for problems about angle measurement, including those involving mirrors. Both mathematical and real-world problems are...
Curated OER
Geometric Concepts and Polygons
In this geometry worksheet, students identify the altitude, perpendicular bisector, median, angle bisector and the area of different polygons. There are 33 problems.
Curated OER
Elimination Using Addition and Subtraction
In this systems of equations worksheet, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the worksheet. This one-page worksheet contains ten problems.
Curated OER
Algebra and Trigonometry - Week 3: Story Problems
In this story problem activity, students read story problems, write equations, and solve. They use the law of sines, the law of cosines, the distance formula, and rates to solve problems. This two-page activity contains seven story...
Curated OER
Trigonometric Identities
In this trigonometry worksheet, learners solve and analyze the reciprocal, quotient, Pythagorean and Cofunction Identities. They also discuss sum and difference identities, double angle and half angle identities.
Curated OER
Word Problems
For this geometry worksheet, students read a scenario and translate it using geometric concepts to find their answers. There are 15 questions with an answer key.
Curated OER
Algebra And Trigonometry - Week 3: Law of Sines
In this law of sines worksheet, students read story problems. They use both algebra and the law of sines and cosines to solve problems. This two page worksheet contains seven problems.
Curated OER
Solving Problems Using Systems of Equations
For this system of equation worksheet, students use the substitution and elimination methods to solve systems of equations. Students must read a short story, write the equations the story represents, and then solve the systems of...
Curated OER
AC Phase
In this AC phase activity, students answer 24 questions about AC and DC voltages, phasor diagrams, sine wave graphs and Lissajous figures.
Curated OER
Solving Problems Using Systems of Equations Section 8.3
In this system of equations worksheet, young scholars solve problems involving systems of equations. They read short stories, write equations relating to the information, and solve the systems of equations using the substitution or...
Curated OER
SAT Grid Ins Practice Test 3
In this SAT grid in worksheet, high schoolers solve 10 practice SAT type problems. Students determine average, volume of prisms, sum of angles, etc.
Curated OER
Math Vocabulary Blackout worksheet
In this math vocabulary learning exercise, students read the definition of the math vocabulary word and then write the word. Students write 15 math vocabulary words.
Curated OER
Math Vocabulary Maze
In this math maze worksheet, students navigate their way through a maze using clues and spelling out math vocabulary words. A reference web site is included for additional activities.
Curated OER
Math Vocabulary Spelling Worksheet
For this math vocabulary worksheet, students read the math vocabulary definitions and write in the missing letters to the vocabulary words. Students complete 15 words.
Curated OER
Volumes in 3-D
In this geometry activity, 11th graders calculate the volume of there dimensional shapes using the formula for cylinders. They are given the height and the base and asked to calculate the volume. There are 4 problems.
Curated OER
Math Vocabulary Review
In this math vocabulary activity, students read a set of 15 math related definitions and write the words being defined. A reference web site is included for additional activities.