Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 70 by rounding each number to the nearest 10: ______
- Estimate 28 − 45 by rounding each number to the nearest 10: ______
- Estimate 89 − 65 by rounding each number to the nearest 10: ______
- Estimate 62 − 78 by rounding each number to the nearest 10: ______
- Estimate 34 − 23 by rounding each number to the nearest 10: ______
- Estimate 62 − 69 by rounding each number to the nearest 10: ______
- Estimate 65 − 40 by rounding each number to the nearest 10: ______
- Estimate 87 + 35 by rounding each number to the nearest 10: ______
- Estimate 32 − 31 by rounding each number to the nearest 10: ______
- Estimate 56 − 85 by rounding each number to the nearest 10: ______
- Estimate 57 − 27 by rounding each number to the nearest 10: ______
- Estimate 63 − 48 by rounding each number to the nearest 10: ______
- Estimate 24 − 38 by rounding each number to the nearest 10: ______
- Estimate 59 + 59 by rounding each number to the nearest 10: ______
- Estimate 77 − 35 by rounding each number to the nearest 10: ______
- Estimate 83 − 78 by rounding each number to the nearest 10: ______
- Estimate 83 − 46 by rounding each number to the nearest 10: ______
- Estimate 33 − 78 by rounding each number to the nearest 10: ______
- Estimate 45 − 47 by rounding each number to the nearest 10: ______
- Estimate 82 + 61 by rounding each number to the nearest 10: ______