Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 − 53 by rounding each number to the nearest 10: ______
- Estimate 51 + 23 by rounding each number to the nearest 10: ______
- Estimate 54 − 34 by rounding each number to the nearest 10: ______
- Estimate 54 + 21 by rounding each number to the nearest 10: ______
- Estimate 64 + 53 by rounding each number to the nearest 10: ______
- Estimate 79 + 53 by rounding each number to the nearest 10: ______
- Estimate 39 + 83 by rounding each number to the nearest 10: ______
- Estimate 22 + 59 by rounding each number to the nearest 10: ______
- Estimate 63 + 88 by rounding each number to the nearest 10: ______
- Estimate 47 + 24 by rounding each number to the nearest 10: ______
- Estimate 55 − 89 by rounding each number to the nearest 10: ______
- Estimate 22 − 46 by rounding each number to the nearest 10: ______
- Estimate 77 + 42 by rounding each number to the nearest 10: ______
- Estimate 29 + 75 by rounding each number to the nearest 10: ______
- Estimate 79 + 46 by rounding each number to the nearest 10: ______
- Estimate 69 + 27 by rounding each number to the nearest 10: ______
- Estimate 26 + 45 by rounding each number to the nearest 10: ______
- Estimate 21 − 85 by rounding each number to the nearest 10: ______
- Estimate 38 − 67 by rounding each number to the nearest 10: ______
- Estimate 42 + 34 by rounding each number to the nearest 10: ______