Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 48 by rounding each number to the nearest 10: ______
- Estimate 81 − 58 by rounding each number to the nearest 10: ______
- Estimate 83 + 59 by rounding each number to the nearest 10: ______
- Estimate 71 − 22 by rounding each number to the nearest 10: ______
- Estimate 84 − 87 by rounding each number to the nearest 10: ______
- Estimate 86 − 54 by rounding each number to the nearest 10: ______
- Estimate 23 + 50 by rounding each number to the nearest 10: ______
- Estimate 29 − 26 by rounding each number to the nearest 10: ______
- Estimate 75 + 36 by rounding each number to the nearest 10: ______
- Estimate 60 + 52 by rounding each number to the nearest 10: ______
- Estimate 27 − 24 by rounding each number to the nearest 10: ______
- Estimate 34 + 44 by rounding each number to the nearest 10: ______
- Estimate 56 − 26 by rounding each number to the nearest 10: ______
- Estimate 59 − 41 by rounding each number to the nearest 10: ______
- Estimate 81 + 55 by rounding each number to the nearest 10: ______
- Estimate 83 + 29 by rounding each number to the nearest 10: ______
- Estimate 40 + 55 by rounding each number to the nearest 10: ______
- Estimate 36 − 72 by rounding each number to the nearest 10: ______
- Estimate 44 + 73 by rounding each number to the nearest 10: ______
- Estimate 48 + 79 by rounding each number to the nearest 10: ______