Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 − 85 by rounding each number to the nearest 10: ______
- Estimate 76 + 74 by rounding each number to the nearest 10: ______
- Estimate 79 − 86 by rounding each number to the nearest 10: ______
- Estimate 63 − 29 by rounding each number to the nearest 10: ______
- Estimate 80 + 27 by rounding each number to the nearest 10: ______
- Estimate 36 + 76 by rounding each number to the nearest 10: ______
- Estimate 45 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 − 64 by rounding each number to the nearest 10: ______
- Estimate 23 + 87 by rounding each number to the nearest 10: ______
- Estimate 39 − 75 by rounding each number to the nearest 10: ______
- Estimate 50 + 40 by rounding each number to the nearest 10: ______
- Estimate 78 + 27 by rounding each number to the nearest 10: ______
- Estimate 88 − 73 by rounding each number to the nearest 10: ______
- Estimate 37 + 67 by rounding each number to the nearest 10: ______
- Estimate 41 − 51 by rounding each number to the nearest 10: ______
- Estimate 47 + 85 by rounding each number to the nearest 10: ______
- Estimate 83 + 68 by rounding each number to the nearest 10: ______
- Estimate 76 + 50 by rounding each number to the nearest 10: ______
- Estimate 39 − 78 by rounding each number to the nearest 10: ______
- Estimate 23 + 21 by rounding each number to the nearest 10: ______