Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 33 + 46 by rounding each number to the nearest 10: ______
- Estimate 46 + 23 by rounding each number to the nearest 10: ______
- Estimate 74 + 65 by rounding each number to the nearest 10: ______
- Estimate 76 − 66 by rounding each number to the nearest 10: ______
- Estimate 62 − 69 by rounding each number to the nearest 10: ______
- Estimate 45 + 61 by rounding each number to the nearest 10: ______
- Estimate 58 − 39 by rounding each number to the nearest 10: ______
- Estimate 30 + 80 by rounding each number to the nearest 10: ______
- Estimate 32 − 45 by rounding each number to the nearest 10: ______
- Estimate 62 − 77 by rounding each number to the nearest 10: ______
- Estimate 72 − 87 by rounding each number to the nearest 10: ______
- Estimate 31 + 83 by rounding each number to the nearest 10: ______
- Estimate 32 − 48 by rounding each number to the nearest 10: ______
- Estimate 21 + 48 by rounding each number to the nearest 10: ______
- Estimate 83 − 56 by rounding each number to the nearest 10: ______
- Estimate 73 + 49 by rounding each number to the nearest 10: ______
- Estimate 39 − 25 by rounding each number to the nearest 10: ______
- Estimate 25 − 47 by rounding each number to the nearest 10: ______
- Estimate 83 + 72 by rounding each number to the nearest 10: ______
- Estimate 75 − 81 by rounding each number to the nearest 10: ______