Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 − 25 by rounding each number to the nearest 10: ______
- Estimate 87 + 64 by rounding each number to the nearest 10: ______
- Estimate 35 − 33 by rounding each number to the nearest 10: ______
- Estimate 53 + 76 by rounding each number to the nearest 10: ______
- Estimate 85 + 76 by rounding each number to the nearest 10: ______
- Estimate 60 − 59 by rounding each number to the nearest 10: ______
- Estimate 37 + 24 by rounding each number to the nearest 10: ______
- Estimate 82 − 61 by rounding each number to the nearest 10: ______
- Estimate 86 + 25 by rounding each number to the nearest 10: ______
- Estimate 82 − 70 by rounding each number to the nearest 10: ______
- Estimate 36 − 52 by rounding each number to the nearest 10: ______
- Estimate 28 + 47 by rounding each number to the nearest 10: ______
- Estimate 82 − 26 by rounding each number to the nearest 10: ______
- Estimate 38 + 43 by rounding each number to the nearest 10: ______
- Estimate 56 + 68 by rounding each number to the nearest 10: ______
- Estimate 72 − 54 by rounding each number to the nearest 10: ______
- Estimate 83 + 60 by rounding each number to the nearest 10: ______
- Estimate 65 + 56 by rounding each number to the nearest 10: ______
- Estimate 69 + 21 by rounding each number to the nearest 10: ______
- Estimate 30 − 68 by rounding each number to the nearest 10: ______