Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 58 + 30 by rounding each number to the nearest 10: ______
- Estimate 87 − 71 by rounding each number to the nearest 10: ______
- Estimate 52 − 39 by rounding each number to the nearest 10: ______
- Estimate 70 − 56 by rounding each number to the nearest 10: ______
- Estimate 42 + 78 by rounding each number to the nearest 10: ______
- Estimate 75 + 34 by rounding each number to the nearest 10: ______
- Estimate 64 + 81 by rounding each number to the nearest 10: ______
- Estimate 32 + 62 by rounding each number to the nearest 10: ______
- Estimate 56 + 55 by rounding each number to the nearest 10: ______
- Estimate 61 + 29 by rounding each number to the nearest 10: ______
- Estimate 85 + 85 by rounding each number to the nearest 10: ______
- Estimate 74 + 87 by rounding each number to the nearest 10: ______
- Estimate 46 − 33 by rounding each number to the nearest 10: ______
- Estimate 37 + 89 by rounding each number to the nearest 10: ______
- Estimate 74 + 64 by rounding each number to the nearest 10: ______
- Estimate 54 − 32 by rounding each number to the nearest 10: ______
- Estimate 45 + 22 by rounding each number to the nearest 10: ______
- Estimate 75 − 88 by rounding each number to the nearest 10: ______
- Estimate 66 + 37 by rounding each number to the nearest 10: ______
- Estimate 27 + 38 by rounding each number to the nearest 10: ______