Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 − 79 by rounding each number to the nearest 10: ______
- Estimate 49 + 77 by rounding each number to the nearest 10: ______
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 30 − 39 by rounding each number to the nearest 10: ______
- Estimate 34 + 47 by rounding each number to the nearest 10: ______
- Estimate 23 − 44 by rounding each number to the nearest 10: ______
- Estimate 53 + 48 by rounding each number to the nearest 10: ______
- Estimate 24 + 67 by rounding each number to the nearest 10: ______
- Estimate 70 − 58 by rounding each number to the nearest 10: ______
- Estimate 69 − 44 by rounding each number to the nearest 10: ______
- Estimate 87 − 28 by rounding each number to the nearest 10: ______
- Estimate 27 + 68 by rounding each number to the nearest 10: ______
- Estimate 72 + 31 by rounding each number to the nearest 10: ______
- Estimate 73 + 88 by rounding each number to the nearest 10: ______
- Estimate 47 − 37 by rounding each number to the nearest 10: ______
- Estimate 25 − 31 by rounding each number to the nearest 10: ______
- Estimate 41 − 33 by rounding each number to the nearest 10: ______
- Estimate 81 + 80 by rounding each number to the nearest 10: ______
- Estimate 47 + 60 by rounding each number to the nearest 10: ______
- Estimate 82 − 58 by rounding each number to the nearest 10: ______