Mental math
{"name":"Mental math", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Test your mental math skills with our engaging quiz designed for learners of all ages! Challenge yourself with a variety of questions that will put your math abilities to the test.Features:5 Thought-provoking QuestionsInstant Feedback on AnswersScore Tracking","img":"https:/images/course7.png"}