Curated OER
Identities and Trigonometric Values
Students solve trigonometric equations. For this precalculus lesson, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different identities.
Curated OER
Multiplying by 3
Second graders practice the multiples of three as an introduction to multiplying by three.
Alabama Learning Exchange
Ellipse
Students explore the concept of ellipses. In this ellipses lesson, they construct ellipses on their paper and follow directions on a worksheet that allow them to investigate an ellipse in more depth by looking at the major axis, foci, etc.
Curated OER
Thermodynamics
In this thermodynamics activity, students review enthalpy, state functions, bond energy, and heat capacity. This activity has 2 multiple choice, 6 matching, and 12 problems to solve.
Curated OER
A Potpourri of Thermo Questions
In this thermodynamics worksheet, students match terms to their definitions such as enthalpy, equilibrium, bond energy, and heat capacity. This worksheet has 20 words to match.
Curated OER
Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
Mangahigh
Mangahigh: Number: Number Partners Up to 20
Students explore the concept of number partners by working through an online tutorial and then attempting a ten question quiz that increases in difficulty as questions are answered correctly.
Mangahigh
Mangahigh: Number: Number Pairs Up to 100
Students explore the concept of number pairs by working through an online tutorial and then attempting a ten question quiz that increases in difficulty as questions are answered correctly.
Illustrative Mathematics
Illustrative Mathematics: Hitting the Target Number
The purpose of this task is to help students develop flexible strategies for adding and subtracting within 20. Students will pick 5 number cards from pre-made cards labeled 1-10. Then, another student will pick a "target number" between...