Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 57 by rounding each number to the nearest 10: ______
- Estimate 23 + 79 by rounding each number to the nearest 10: ______
- Estimate 53 + 44 by rounding each number to the nearest 10: ______
- Estimate 39 + 23 by rounding each number to the nearest 10: ______
- Estimate 77 + 71 by rounding each number to the nearest 10: ______
- Estimate 54 + 55 by rounding each number to the nearest 10: ______
- Estimate 43 + 78 by rounding each number to the nearest 10: ______
- Estimate 81 + 82 by rounding each number to the nearest 10: ______
- Estimate 80 + 21 by rounding each number to the nearest 10: ______
- Estimate 83 + 43 by rounding each number to the nearest 10: ______
- Estimate 53 − 76 by rounding each number to the nearest 10: ______
- Estimate 61 − 29 by rounding each number to the nearest 10: ______
- Estimate 38 + 87 by rounding each number to the nearest 10: ______
- Estimate 69 − 67 by rounding each number to the nearest 10: ______
- Estimate 66 − 73 by rounding each number to the nearest 10: ______
- Estimate 31 + 22 by rounding each number to the nearest 10: ______
- Estimate 21 − 36 by rounding each number to the nearest 10: ______
- Estimate 34 + 48 by rounding each number to the nearest 10: ______
- Estimate 58 + 84 by rounding each number to the nearest 10: ______
- Estimate 87 − 55 by rounding each number to the nearest 10: ______