Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 88 − 77 by rounding each number to the nearest 10: ______
- Estimate 63 + 36 by rounding each number to the nearest 10: ______
- Estimate 74 − 26 by rounding each number to the nearest 10: ______
- Estimate 85 + 77 by rounding each number to the nearest 10: ______
- Estimate 47 + 78 by rounding each number to the nearest 10: ______
- Estimate 58 − 54 by rounding each number to the nearest 10: ______
- Estimate 87 − 87 by rounding each number to the nearest 10: ______
- Estimate 29 − 45 by rounding each number to the nearest 10: ______
- Estimate 64 + 22 by rounding each number to the nearest 10: ______
- Estimate 75 − 88 by rounding each number to the nearest 10: ______
- Estimate 58 − 82 by rounding each number to the nearest 10: ______
- Estimate 21 + 48 by rounding each number to the nearest 10: ______
- Estimate 64 − 24 by rounding each number to the nearest 10: ______
- Estimate 62 + 55 by rounding each number to the nearest 10: ______
- Estimate 73 + 85 by rounding each number to the nearest 10: ______
- Estimate 88 + 56 by rounding each number to the nearest 10: ______
- Estimate 32 + 54 by rounding each number to the nearest 10: ______
- Estimate 50 − 33 by rounding each number to the nearest 10: ______
- Estimate 80 − 76 by rounding each number to the nearest 10: ______
- Estimate 85 + 69 by rounding each number to the nearest 10: ______