Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 58 + 61 by rounding each number to the nearest 10: ______
- Estimate 85 + 74 by rounding each number to the nearest 10: ______
- Estimate 77 − 44 by rounding each number to the nearest 10: ______
- Estimate 86 + 58 by rounding each number to the nearest 10: ______
- Estimate 77 + 23 by rounding each number to the nearest 10: ______
- Estimate 54 + 81 by rounding each number to the nearest 10: ______
- Estimate 32 + 38 by rounding each number to the nearest 10: ______
- Estimate 31 − 56 by rounding each number to the nearest 10: ______
- Estimate 53 − 73 by rounding each number to the nearest 10: ______
- Estimate 73 + 85 by rounding each number to the nearest 10: ______
- Estimate 86 + 50 by rounding each number to the nearest 10: ______
- Estimate 66 + 27 by rounding each number to the nearest 10: ______
- Estimate 53 − 46 by rounding each number to the nearest 10: ______
- Estimate 52 + 55 by rounding each number to the nearest 10: ______
- Estimate 25 − 53 by rounding each number to the nearest 10: ______
- Estimate 25 + 88 by rounding each number to the nearest 10: ______
- Estimate 74 − 31 by rounding each number to the nearest 10: ______
- Estimate 31 + 81 by rounding each number to the nearest 10: ______
- Estimate 61 + 48 by rounding each number to the nearest 10: ______
- Estimate 24 + 48 by rounding each number to the nearest 10: ______