Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 + 61 by rounding each number to the nearest 10: ______
- Estimate 30 + 85 by rounding each number to the nearest 10: ______
- Estimate 67 − 30 by rounding each number to the nearest 10: ______
- Estimate 39 − 83 by rounding each number to the nearest 10: ______
- Estimate 74 + 38 by rounding each number to the nearest 10: ______
- Estimate 37 − 64 by rounding each number to the nearest 10: ______
- Estimate 30 + 87 by rounding each number to the nearest 10: ______
- Estimate 24 − 40 by rounding each number to the nearest 10: ______
- Estimate 31 + 71 by rounding each number to the nearest 10: ______
- Estimate 67 − 76 by rounding each number to the nearest 10: ______
- Estimate 73 − 61 by rounding each number to the nearest 10: ______
- Estimate 27 + 26 by rounding each number to the nearest 10: ______
- Estimate 73 + 30 by rounding each number to the nearest 10: ______
- Estimate 59 + 27 by rounding each number to the nearest 10: ______
- Estimate 84 − 73 by rounding each number to the nearest 10: ______
- Estimate 25 − 58 by rounding each number to the nearest 10: ______
- Estimate 33 + 47 by rounding each number to the nearest 10: ______
- Estimate 45 + 28 by rounding each number to the nearest 10: ______
- Estimate 48 − 86 by rounding each number to the nearest 10: ______
- Estimate 30 − 43 by rounding each number to the nearest 10: ______