Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 29 + 56 by rounding each number to the nearest 10: ______
- Estimate 54 − 21 by rounding each number to the nearest 10: ______
- Estimate 83 + 56 by rounding each number to the nearest 10: ______
- Estimate 50 − 28 by rounding each number to the nearest 10: ______
- Estimate 82 − 37 by rounding each number to the nearest 10: ______
- Estimate 66 + 82 by rounding each number to the nearest 10: ______
- Estimate 75 + 76 by rounding each number to the nearest 10: ______
- Estimate 37 − 76 by rounding each number to the nearest 10: ______
- Estimate 75 + 64 by rounding each number to the nearest 10: ______
- Estimate 89 − 89 by rounding each number to the nearest 10: ______
- Estimate 83 + 54 by rounding each number to the nearest 10: ______
- Estimate 61 − 28 by rounding each number to the nearest 10: ______
- Estimate 35 − 77 by rounding each number to the nearest 10: ______
- Estimate 39 + 68 by rounding each number to the nearest 10: ______
- Estimate 34 + 23 by rounding each number to the nearest 10: ______
- Estimate 78 − 50 by rounding each number to the nearest 10: ______
- Estimate 63 − 21 by rounding each number to the nearest 10: ______
- Estimate 77 + 40 by rounding each number to the nearest 10: ______
- Estimate 79 + 69 by rounding each number to the nearest 10: ______
- Estimate 87 − 73 by rounding each number to the nearest 10: ______