Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 31 by rounding each number to the nearest 10: ______
- Estimate 47 + 61 by rounding each number to the nearest 10: ______
- Estimate 24 − 59 by rounding each number to the nearest 10: ______
- Estimate 29 − 28 by rounding each number to the nearest 10: ______
- Estimate 54 − 25 by rounding each number to the nearest 10: ______
- Estimate 80 − 58 by rounding each number to the nearest 10: ______
- Estimate 30 + 65 by rounding each number to the nearest 10: ______
- Estimate 41 + 35 by rounding each number to the nearest 10: ______
- Estimate 21 − 68 by rounding each number to the nearest 10: ______
- Estimate 64 + 74 by rounding each number to the nearest 10: ______
- Estimate 76 + 31 by rounding each number to the nearest 10: ______
- Estimate 81 − 41 by rounding each number to the nearest 10: ______
- Estimate 64 + 66 by rounding each number to the nearest 10: ______
- Estimate 87 − 22 by rounding each number to the nearest 10: ______
- Estimate 74 − 38 by rounding each number to the nearest 10: ______
- Estimate 48 + 72 by rounding each number to the nearest 10: ______
- Estimate 62 + 78 by rounding each number to the nearest 10: ______
- Estimate 52 + 33 by rounding each number to the nearest 10: ______
- Estimate 21 + 52 by rounding each number to the nearest 10: ______
- Estimate 35 − 47 by rounding each number to the nearest 10: ______