Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 − 30 by rounding each number to the nearest 10: ______
- Estimate 75 + 61 by rounding each number to the nearest 10: ______
- Estimate 36 − 52 by rounding each number to the nearest 10: ______
- Estimate 67 − 48 by rounding each number to the nearest 10: ______
- Estimate 87 − 31 by rounding each number to the nearest 10: ______
- Estimate 21 − 56 by rounding each number to the nearest 10: ______
- Estimate 34 + 64 by rounding each number to the nearest 10: ______
- Estimate 65 − 22 by rounding each number to the nearest 10: ______
- Estimate 87 − 87 by rounding each number to the nearest 10: ______
- Estimate 59 − 42 by rounding each number to the nearest 10: ______
- Estimate 28 + 79 by rounding each number to the nearest 10: ______
- Estimate 55 − 24 by rounding each number to the nearest 10: ______
- Estimate 76 − 88 by rounding each number to the nearest 10: ______
- Estimate 42 − 55 by rounding each number to the nearest 10: ______
- Estimate 31 + 31 by rounding each number to the nearest 10: ______
- Estimate 88 − 81 by rounding each number to the nearest 10: ______
- Estimate 89 + 75 by rounding each number to the nearest 10: ______
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 34 + 49 by rounding each number to the nearest 10: ______
- Estimate 65 + 72 by rounding each number to the nearest 10: ______