Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 22 by rounding each number to the nearest 10: ______
- Estimate 49 − 86 by rounding each number to the nearest 10: ______
- Estimate 74 − 40 by rounding each number to the nearest 10: ______
- Estimate 81 + 29 by rounding each number to the nearest 10: ______
- Estimate 36 + 81 by rounding each number to the nearest 10: ______
- Estimate 35 − 73 by rounding each number to the nearest 10: ______
- Estimate 55 − 62 by rounding each number to the nearest 10: ______
- Estimate 74 + 42 by rounding each number to the nearest 10: ______
- Estimate 40 − 63 by rounding each number to the nearest 10: ______
- Estimate 25 + 60 by rounding each number to the nearest 10: ______
- Estimate 48 + 23 by rounding each number to the nearest 10: ______
- Estimate 44 − 48 by rounding each number to the nearest 10: ______
- Estimate 88 − 88 by rounding each number to the nearest 10: ______
- Estimate 35 + 80 by rounding each number to the nearest 10: ______
- Estimate 23 − 39 by rounding each number to the nearest 10: ______
- Estimate 73 + 27 by rounding each number to the nearest 10: ______
- Estimate 66 − 22 by rounding each number to the nearest 10: ______
- Estimate 64 − 83 by rounding each number to the nearest 10: ______
- Estimate 82 + 74 by rounding each number to the nearest 10: ______
- Estimate 87 + 23 by rounding each number to the nearest 10: ______