Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 + 67 by rounding each number to the nearest 10: ______
- Estimate 77 + 78 by rounding each number to the nearest 10: ______
- Estimate 31 + 63 by rounding each number to the nearest 10: ______
- Estimate 47 − 45 by rounding each number to the nearest 10: ______
- Estimate 64 − 80 by rounding each number to the nearest 10: ______
- Estimate 79 − 87 by rounding each number to the nearest 10: ______
- Estimate 74 + 73 by rounding each number to the nearest 10: ______
- Estimate 26 + 60 by rounding each number to the nearest 10: ______
- Estimate 52 + 56 by rounding each number to the nearest 10: ______
- Estimate 79 + 29 by rounding each number to the nearest 10: ______
- Estimate 57 + 35 by rounding each number to the nearest 10: ______
- Estimate 28 − 77 by rounding each number to the nearest 10: ______
- Estimate 46 − 86 by rounding each number to the nearest 10: ______
- Estimate 82 − 32 by rounding each number to the nearest 10: ______
- Estimate 44 − 62 by rounding each number to the nearest 10: ______
- Estimate 45 + 59 by rounding each number to the nearest 10: ______
- Estimate 35 − 63 by rounding each number to the nearest 10: ______
- Estimate 33 − 76 by rounding each number to the nearest 10: ______
- Estimate 86 − 55 by rounding each number to the nearest 10: ______
- Estimate 55 − 27 by rounding each number to the nearest 10: ______