Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 39 by rounding each number to the nearest 10: ______
- Estimate 74 + 44 by rounding each number to the nearest 10: ______
- Estimate 70 + 50 by rounding each number to the nearest 10: ______
- Estimate 35 − 64 by rounding each number to the nearest 10: ______
- Estimate 30 − 86 by rounding each number to the nearest 10: ______
- Estimate 47 + 82 by rounding each number to the nearest 10: ______
- Estimate 61 + 55 by rounding each number to the nearest 10: ______
- Estimate 81 − 31 by rounding each number to the nearest 10: ______
- Estimate 37 − 87 by rounding each number to the nearest 10: ______
- Estimate 54 + 42 by rounding each number to the nearest 10: ______
- Estimate 63 − 76 by rounding each number to the nearest 10: ______
- Estimate 35 + 68 by rounding each number to the nearest 10: ______
- Estimate 56 − 78 by rounding each number to the nearest 10: ______
- Estimate 41 + 46 by rounding each number to the nearest 10: ______
- Estimate 24 − 69 by rounding each number to the nearest 10: ______
- Estimate 88 + 75 by rounding each number to the nearest 10: ______
- Estimate 62 + 50 by rounding each number to the nearest 10: ______
- Estimate 69 + 23 by rounding each number to the nearest 10: ______
- Estimate 30 − 68 by rounding each number to the nearest 10: ______
- Estimate 89 − 80 by rounding each number to the nearest 10: ______