Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 − 28 by rounding each number to the nearest 10: ______
- Estimate 63 − 87 by rounding each number to the nearest 10: ______
- Estimate 34 − 86 by rounding each number to the nearest 10: ______
- Estimate 82 + 47 by rounding each number to the nearest 10: ______
- Estimate 71 − 66 by rounding each number to the nearest 10: ______
- Estimate 56 − 62 by rounding each number to the nearest 10: ______
- Estimate 72 + 81 by rounding each number to the nearest 10: ______
- Estimate 45 + 60 by rounding each number to the nearest 10: ______
- Estimate 78 − 54 by rounding each number to the nearest 10: ______
- Estimate 21 − 53 by rounding each number to the nearest 10: ______
- Estimate 55 − 35 by rounding each number to the nearest 10: ______
- Estimate 64 + 64 by rounding each number to the nearest 10: ______
- Estimate 27 + 89 by rounding each number to the nearest 10: ______
- Estimate 50 − 69 by rounding each number to the nearest 10: ______
- Estimate 45 − 63 by rounding each number to the nearest 10: ______
- Estimate 57 − 42 by rounding each number to the nearest 10: ______
- Estimate 86 − 45 by rounding each number to the nearest 10: ______
- Estimate 33 − 87 by rounding each number to the nearest 10: ______
- Estimate 89 − 63 by rounding each number to the nearest 10: ______
- Estimate 52 − 36 by rounding each number to the nearest 10: ______