Estimation of Products for 3 to 4 Digit Numbers by 2 to 3 Digit Numbers multiplying. Write your answer in your notebook. (Page 18) Learning Task 2: Estimate the following products by rounding the factors to its highest place value before 1. 63 2. 1 3 Х 18 X 25 3. 15 X 12 4. 63 X 22 5 . 25 X 32​