Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 + 84 by rounding each number to the nearest 10: ______
- Estimate 88 + 83 by rounding each number to the nearest 10: ______
- Estimate 80 − 61 by rounding each number to the nearest 10: ______
- Estimate 28 − 70 by rounding each number to the nearest 10: ______
- Estimate 40 − 23 by rounding each number to the nearest 10: ______
- Estimate 25 + 58 by rounding each number to the nearest 10: ______
- Estimate 48 − 47 by rounding each number to the nearest 10: ______
- Estimate 74 − 79 by rounding each number to the nearest 10: ______
- Estimate 34 − 80 by rounding each number to the nearest 10: ______
- Estimate 28 + 78 by rounding each number to the nearest 10: ______
- Estimate 73 + 29 by rounding each number to the nearest 10: ______
- Estimate 87 + 81 by rounding each number to the nearest 10: ______
- Estimate 85 − 25 by rounding each number to the nearest 10: ______
- Estimate 72 − 49 by rounding each number to the nearest 10: ______
- Estimate 35 − 31 by rounding each number to the nearest 10: ______
- Estimate 42 + 70 by rounding each number to the nearest 10: ______
- Estimate 57 − 35 by rounding each number to the nearest 10: ______
- Estimate 72 + 59 by rounding each number to the nearest 10: ______
- Estimate 24 + 54 by rounding each number to the nearest 10: ______
- Estimate 21 + 72 by rounding each number to the nearest 10: ______