Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 40 by rounding each number to the nearest 10: ______
- Estimate 64 − 85 by rounding each number to the nearest 10: ______
- Estimate 52 + 21 by rounding each number to the nearest 10: ______
- Estimate 56 + 86 by rounding each number to the nearest 10: ______
- Estimate 60 + 69 by rounding each number to the nearest 10: ______
- Estimate 75 + 76 by rounding each number to the nearest 10: ______
- Estimate 38 − 59 by rounding each number to the nearest 10: ______
- Estimate 48 − 28 by rounding each number to the nearest 10: ______
- Estimate 65 + 43 by rounding each number to the nearest 10: ______
- Estimate 66 − 57 by rounding each number to the nearest 10: ______
- Estimate 42 − 74 by rounding each number to the nearest 10: ______
- Estimate 41 + 83 by rounding each number to the nearest 10: ______
- Estimate 66 + 78 by rounding each number to the nearest 10: ______
- Estimate 70 − 78 by rounding each number to the nearest 10: ______
- Estimate 51 + 27 by rounding each number to the nearest 10: ______
- Estimate 63 − 63 by rounding each number to the nearest 10: ______
- Estimate 78 − 31 by rounding each number to the nearest 10: ______
- Estimate 72 − 26 by rounding each number to the nearest 10: ______
- Estimate 50 + 25 by rounding each number to the nearest 10: ______
- Estimate 80 − 30 by rounding each number to the nearest 10: ______