Counting Numbers( Week 3 Evaluation) 1. Please find the missing number in 5, 6, 7, 8, 9, 10, 11, 12, ?, 14, 15, ... 3. What is the natural number comes exactly in the middle between 19 and 21? 4. Please find the missing number in 5, 10, 15, 20, 25, ?, 35, 40, ... 5. Please find the missing number in 10, 20, 30, 40, ?, 60, 70, ... 7. Fill the missing numbers in the following sequence. 103, 93, 83, 73, 63, 53, 43,, 23, 13, 3 9. Fill the missing numbers in the following sequence. 7, 17, 27,, 47, 57, 67, 77, 87, 97, 107 10. How many "0"s in the natural numbers from 41 through 100 inclusively? |