Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 29 by rounding each number to the nearest 10: ______
- Estimate 29 − 62 by rounding each number to the nearest 10: ______
- Estimate 26 + 88 by rounding each number to the nearest 10: ______
- Estimate 87 − 40 by rounding each number to the nearest 10: ______
- Estimate 78 − 43 by rounding each number to the nearest 10: ______
- Estimate 30 + 41 by rounding each number to the nearest 10: ______
- Estimate 64 + 45 by rounding each number to the nearest 10: ______
- Estimate 31 + 63 by rounding each number to the nearest 10: ______
- Estimate 25 + 66 by rounding each number to the nearest 10: ______
- Estimate 65 − 26 by rounding each number to the nearest 10: ______
- Estimate 60 − 85 by rounding each number to the nearest 10: ______
- Estimate 79 − 83 by rounding each number to the nearest 10: ______
- Estimate 61 + 45 by rounding each number to the nearest 10: ______
- Estimate 76 + 52 by rounding each number to the nearest 10: ______
- Estimate 61 + 62 by rounding each number to the nearest 10: ______
- Estimate 60 + 68 by rounding each number to the nearest 10: ______
- Estimate 50 + 45 by rounding each number to the nearest 10: ______
- Estimate 65 + 69 by rounding each number to the nearest 10: ______
- Estimate 37 − 25 by rounding each number to the nearest 10: ______
- Estimate 24 − 28 by rounding each number to the nearest 10: ______