Adjust the overlap to compare probabilities. Using sliders, learners adjust the shape of two Gaussian curves. The interactive calculates the area of the left tail for one curve and the right tail for the other. Pupils set the interactive...

Go round and round to compare theoretical and experimental probabilities. Learners set the number of sectors and the number of spins for a spinner. Then, a table displays the experimental and theoretical probabilities of the spinner for...

Review advanced grammar concepts with this standard online interactive multiple choice quiz. Young grammarians must know simple grammar principles such as verbs, prepositions and adverbs as well as higher-level knowledge like passive vs....

In this prime factorization instructional activity, students solve 7 multiple choice problems. Students find the prime factorization of 91, 84, 78, 70, 67,63, and 36.