Polya's 4 principles of problem solving: Understand, Plan, Do, Check My Tests Sums Tester Times Table Tester Number Spelling Tester
CountUp Timer CountDown Timer Random Roll Whole Numbers Fractions Word Games Tools Useful Resources	MY TESTS Please key in the tester code and your name to view/do the tests set by a user. (If you do not know of one, you can try the sample tester code 526ttw ) Tester code: Your name: