Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 + 71 by rounding each number to the nearest 10: ______
- Estimate 24 − 87 by rounding each number to the nearest 10: ______
- Estimate 39 + 88 by rounding each number to the nearest 10: ______
- Estimate 67 − 55 by rounding each number to the nearest 10: ______
- Estimate 25 + 51 by rounding each number to the nearest 10: ______
- Estimate 21 + 44 by rounding each number to the nearest 10: ______
- Estimate 58 − 73 by rounding each number to the nearest 10: ______
- Estimate 31 + 88 by rounding each number to the nearest 10: ______
- Estimate 25 + 72 by rounding each number to the nearest 10: ______
- Estimate 38 − 89 by rounding each number to the nearest 10: ______
- Estimate 71 + 22 by rounding each number to the nearest 10: ______
- Estimate 86 − 64 by rounding each number to the nearest 10: ______
- Estimate 52 − 89 by rounding each number to the nearest 10: ______
- Estimate 59 + 56 by rounding each number to the nearest 10: ______
- Estimate 33 + 81 by rounding each number to the nearest 10: ______
- Estimate 33 − 36 by rounding each number to the nearest 10: ______
- Estimate 29 + 42 by rounding each number to the nearest 10: ______
- Estimate 52 + 66 by rounding each number to the nearest 10: ______
- Estimate 49 + 53 by rounding each number to the nearest 10: ______
- Estimate 22 + 27 by rounding each number to the nearest 10: ______