Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 − 43 by rounding each number to the nearest 10: ______
- Estimate 58 + 82 by rounding each number to the nearest 10: ______
- Estimate 47 + 29 by rounding each number to the nearest 10: ______
- Estimate 21 − 45 by rounding each number to the nearest 10: ______
- Estimate 49 + 73 by rounding each number to the nearest 10: ______
- Estimate 54 + 24 by rounding each number to the nearest 10: ______
- Estimate 45 + 78 by rounding each number to the nearest 10: ______
- Estimate 34 − 62 by rounding each number to the nearest 10: ______
- Estimate 77 + 61 by rounding each number to the nearest 10: ______
- Estimate 56 + 29 by rounding each number to the nearest 10: ______
- Estimate 49 + 47 by rounding each number to the nearest 10: ______
- Estimate 71 − 43 by rounding each number to the nearest 10: ______
- Estimate 86 + 34 by rounding each number to the nearest 10: ______
- Estimate 72 − 48 by rounding each number to the nearest 10: ______
- Estimate 46 − 64 by rounding each number to the nearest 10: ______
- Estimate 34 + 47 by rounding each number to the nearest 10: ______
- Estimate 44 + 26 by rounding each number to the nearest 10: ______
- Estimate 88 − 70 by rounding each number to the nearest 10: ______
- Estimate 88 + 24 by rounding each number to the nearest 10: ______
- Estimate 61 − 61 by rounding each number to the nearest 10: ______