Mathematics: Counting For Primary Grades features a number of exercises that teach your child counting, including: - addition and subtraction up 10 - addition and subtraction up 20 - addition and subtraction up 50 - multiplication and division up 10 - multiplication and division up 15 Improve your math fluency through thousands of multiple-choice tests. This app will make math for primary and secondary school students available instantly in your device! You will receive a grade at the end o