Arithmetic is fundamental of Mathematics, if students can achieve good numerical skills, it will automatically help them in mastering Mathematics as well. Numerical Ability Test (NAT) is a contest for children from class I to V consisting of PROBLEMS WITH MULTIPLE SOLUTIONS a unique concept which is (first of its kind in India), that help students to develop problem solving abilities & inculcate the habit of effective learning. Out-of-the box thinking has always proven to be an effective method to solve math problems. NAT - Contest is an initiative concerning children to assess and develop their problem solving abilities.