Here we have four challenging pages  which can be used as a quick assessment on how well addition facts have been mastered. There are two sets of 15 questions on each of the four pages. Each set cover the following skills; 1. Adding 10 to a 2-digit number 2. Adding 9 to a 2-digit number 3. Adding 11 to a 2-digit number 4. Adding a single digit to a 2-digit number 5. Adding a single digit to 100 6. Adding a 2-digit number to a multiple of 10 7. Adding two, 2-digit multiples of 10 8. Adding two 2-digit numbers without crossing the tens boundary 9. Adding 3three 1-digit numbers. You will soon be able to see just how well your child is doing and use these pages as a way of assessing where they should go next.