EngageNY
An Area Formula for Triangles
Use a triangle area formula that works when the height is unknown. The eighth installment in a 16-part series on trigonometry revisits the trigonometric triangle area formula that previously was shown to work with the acute triangles....
Curated OER
A Game of Scrabble
For this secondary mathematics worksheet, students determine each word played during a Scrabble game. They are given a mat clue for each word played and determine the correct placement on the board and the score at the end of the...
Noyce Foundation
Snail Pace
Slow and steady wins the race? In the assessment task, scholars calculate the rates at which different snails travel in order to find the fastest snail. Hopefully, your class will move much more quickly in finishing the task!
Curated OER
Adding Negative Numbers
In this integers worksheet, students solve 16 addition problems by adding two integers together. There is no answer...
Curated OER
Circles
In this circles activity, students fill in 6 fill in the blank statements about circles and solve calculate the answers to 13 questions involving different measurements of circles.