Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 − 42 by rounding each number to the nearest 10: ______
- Estimate 72 − 31 by rounding each number to the nearest 10: ______
- Estimate 80 − 61 by rounding each number to the nearest 10: ______
- Estimate 49 − 72 by rounding each number to the nearest 10: ______
- Estimate 81 − 72 by rounding each number to the nearest 10: ______
- Estimate 82 + 63 by rounding each number to the nearest 10: ______
- Estimate 79 − 70 by rounding each number to the nearest 10: ______
- Estimate 70 − 74 by rounding each number to the nearest 10: ______
- Estimate 86 − 67 by rounding each number to the nearest 10: ______
- Estimate 54 + 88 by rounding each number to the nearest 10: ______
- Estimate 73 − 50 by rounding each number to the nearest 10: ______
- Estimate 85 − 79 by rounding each number to the nearest 10: ______
- Estimate 51 − 87 by rounding each number to the nearest 10: ______
- Estimate 51 + 77 by rounding each number to the nearest 10: ______
- Estimate 37 − 74 by rounding each number to the nearest 10: ______
- Estimate 58 − 42 by rounding each number to the nearest 10: ______
- Estimate 63 + 65 by rounding each number to the nearest 10: ______
- Estimate 44 + 87 by rounding each number to the nearest 10: ______
- Estimate 24 + 66 by rounding each number to the nearest 10: ______
- Estimate 70 + 80 by rounding each number to the nearest 10: ______