Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 − 88 by rounding each number to the nearest 10: ______
- Estimate 81 + 63 by rounding each number to the nearest 10: ______
- Estimate 88 + 86 by rounding each number to the nearest 10: ______
- Estimate 74 − 89 by rounding each number to the nearest 10: ______
- Estimate 30 + 31 by rounding each number to the nearest 10: ______
- Estimate 60 + 32 by rounding each number to the nearest 10: ______
- Estimate 21 − 30 by rounding each number to the nearest 10: ______
- Estimate 26 + 62 by rounding each number to the nearest 10: ______
- Estimate 26 + 24 by rounding each number to the nearest 10: ______
- Estimate 45 + 77 by rounding each number to the nearest 10: ______
- Estimate 87 − 76 by rounding each number to the nearest 10: ______
- Estimate 37 − 21 by rounding each number to the nearest 10: ______
- Estimate 27 − 73 by rounding each number to the nearest 10: ______
- Estimate 60 + 70 by rounding each number to the nearest 10: ______
- Estimate 51 + 79 by rounding each number to the nearest 10: ______
- Estimate 49 − 37 by rounding each number to the nearest 10: ______
- Estimate 33 − 73 by rounding each number to the nearest 10: ______
- Estimate 28 + 48 by rounding each number to the nearest 10: ______
- Estimate 85 − 27 by rounding each number to the nearest 10: ______
- Estimate 54 − 34 by rounding each number to the nearest 10: ______