Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 − 36 by rounding each number to the nearest 10: ______
- Estimate 70 − 35 by rounding each number to the nearest 10: ______
- Estimate 31 − 47 by rounding each number to the nearest 10: ______
- Estimate 54 − 73 by rounding each number to the nearest 10: ______
- Estimate 74 + 39 by rounding each number to the nearest 10: ______
- Estimate 60 − 21 by rounding each number to the nearest 10: ______
- Estimate 54 − 28 by rounding each number to the nearest 10: ______
- Estimate 81 + 81 by rounding each number to the nearest 10: ______
- Estimate 59 + 37 by rounding each number to the nearest 10: ______
- Estimate 70 + 21 by rounding each number to the nearest 10: ______
- Estimate 21 + 21 by rounding each number to the nearest 10: ______
- Estimate 52 + 83 by rounding each number to the nearest 10: ______
- Estimate 21 − 75 by rounding each number to the nearest 10: ______
- Estimate 86 − 76 by rounding each number to the nearest 10: ______
- Estimate 84 + 84 by rounding each number to the nearest 10: ______
- Estimate 87 + 30 by rounding each number to the nearest 10: ______
- Estimate 87 − 40 by rounding each number to the nearest 10: ______
- Estimate 88 + 87 by rounding each number to the nearest 10: ______
- Estimate 86 + 80 by rounding each number to the nearest 10: ______
- Estimate 21 − 86 by rounding each number to the nearest 10: ______