This app includes 120 math problems. Third Grade Math Skills is a wonderful resource for learning third grade math. A 2 time award winning third grade math teacher has designed this app. All seven concepts in this app are taught in third grade. The math concepts in this app are place value, rounding, patterns, money, addition, subtraction, multiplication and division. These concepts are aligned with Numbers and Number Relations which is the majority of third grade math. Have fun and always check your work!