Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 65 by rounding each number to the nearest 10: ______
- Estimate 78 + 73 by rounding each number to the nearest 10: ______
- Estimate 61 + 69 by rounding each number to the nearest 10: ______
- Estimate 25 − 42 by rounding each number to the nearest 10: ______
- Estimate 67 − 75 by rounding each number to the nearest 10: ______
- Estimate 88 + 59 by rounding each number to the nearest 10: ______
- Estimate 44 + 73 by rounding each number to the nearest 10: ______
- Estimate 59 − 56 by rounding each number to the nearest 10: ______
- Estimate 45 + 50 by rounding each number to the nearest 10: ______
- Estimate 33 + 49 by rounding each number to the nearest 10: ______
- Estimate 41 − 66 by rounding each number to the nearest 10: ______
- Estimate 37 − 65 by rounding each number to the nearest 10: ______
- Estimate 64 − 30 by rounding each number to the nearest 10: ______
- Estimate 43 + 29 by rounding each number to the nearest 10: ______
- Estimate 87 + 54 by rounding each number to the nearest 10: ______
- Estimate 22 − 39 by rounding each number to the nearest 10: ______
- Estimate 35 + 89 by rounding each number to the nearest 10: ______
- Estimate 46 − 89 by rounding each number to the nearest 10: ______
- Estimate 61 − 39 by rounding each number to the nearest 10: ______
- Estimate 32 − 88 by rounding each number to the nearest 10: ______