Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 − 27 by rounding each number to the nearest 10: ______
- Estimate 60 − 25 by rounding each number to the nearest 10: ______
- Estimate 88 − 81 by rounding each number to the nearest 10: ______
- Estimate 43 + 61 by rounding each number to the nearest 10: ______
- Estimate 55 − 78 by rounding each number to the nearest 10: ______
- Estimate 86 + 53 by rounding each number to the nearest 10: ______
- Estimate 42 + 76 by rounding each number to the nearest 10: ______
- Estimate 77 + 66 by rounding each number to the nearest 10: ______
- Estimate 51 + 37 by rounding each number to the nearest 10: ______
- Estimate 24 − 58 by rounding each number to the nearest 10: ______
- Estimate 72 − 36 by rounding each number to the nearest 10: ______
- Estimate 66 − 55 by rounding each number to the nearest 10: ______
- Estimate 45 − 52 by rounding each number to the nearest 10: ______
- Estimate 71 + 26 by rounding each number to the nearest 10: ______
- Estimate 31 + 57 by rounding each number to the nearest 10: ______
- Estimate 47 + 64 by rounding each number to the nearest 10: ______
- Estimate 34 − 84 by rounding each number to the nearest 10: ______
- Estimate 64 + 70 by rounding each number to the nearest 10: ______
- Estimate 89 − 21 by rounding each number to the nearest 10: ______
- Estimate 67 + 46 by rounding each number to the nearest 10: ______