Curated OER
Accuracy of Calculations
In this accuracy of calculations instructional activity, students solve and complete 4 different types of problems. First, they estimate the solution of the calculations shown. Then, students find the maximum and minimum possible values...
Curated OER
Riemann Sums
In this calculus learning exercise, students solve prolbem in which they estimate double integrals by using Riemann sums. The three page learning exercise contains four questions. Answers are not included.
Curated OER
Simple Past-Positive Sentences #2
In this simple past tense instructional activity, students use words and phrases given to form positive sentences in the given tense. Answers may be submitted online for review. ESL appropriate but not exclusive.