Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 26 by rounding each number to the nearest 10: ______
- Estimate 70 + 55 by rounding each number to the nearest 10: ______
- Estimate 44 + 53 by rounding each number to the nearest 10: ______
- Estimate 87 − 28 by rounding each number to the nearest 10: ______
- Estimate 44 − 75 by rounding each number to the nearest 10: ______
- Estimate 74 − 42 by rounding each number to the nearest 10: ______
- Estimate 80 − 68 by rounding each number to the nearest 10: ______
- Estimate 65 + 24 by rounding each number to the nearest 10: ______
- Estimate 36 + 28 by rounding each number to the nearest 10: ______
- Estimate 64 − 87 by rounding each number to the nearest 10: ______
- Estimate 70 + 52 by rounding each number to the nearest 10: ______
- Estimate 30 − 31 by rounding each number to the nearest 10: ______
- Estimate 45 + 63 by rounding each number to the nearest 10: ______
- Estimate 61 + 43 by rounding each number to the nearest 10: ______
- Estimate 29 + 70 by rounding each number to the nearest 10: ______
- Estimate 35 − 33 by rounding each number to the nearest 10: ______
- Estimate 86 + 43 by rounding each number to the nearest 10: ______
- Estimate 87 − 38 by rounding each number to the nearest 10: ______
- Estimate 54 − 47 by rounding each number to the nearest 10: ______
- Estimate 81 − 51 by rounding each number to the nearest 10: ______