Fully supports the National Curriculum. Number Skills Key Stage 1, tests and teaches 12 maths topics in a number of fun gaming environments. You can print off graded certificates of achievement as well as itemised reports which shows if your child is attaining required targets for their age. Ages 4-7. • Counting to 10 • Addition to 10 • Subtraction to 10 • Addition to 20 • Subtraction to 20 • Odd & Even Numbers • 2,5 and 10 Times Tables • Decimals • Rounding Up & Down • Fractions • Sharing • Simple Algebra.