Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 65 by rounding each number to the nearest 10: ______
- Estimate 22 + 33 by rounding each number to the nearest 10: ______
- Estimate 72 + 84 by rounding each number to the nearest 10: ______
- Estimate 68 + 21 by rounding each number to the nearest 10: ______
- Estimate 85 − 28 by rounding each number to the nearest 10: ______
- Estimate 27 − 78 by rounding each number to the nearest 10: ______
- Estimate 81 − 74 by rounding each number to the nearest 10: ______
- Estimate 45 + 62 by rounding each number to the nearest 10: ______
- Estimate 80 − 56 by rounding each number to the nearest 10: ______
- Estimate 51 + 24 by rounding each number to the nearest 10: ______
- Estimate 76 + 57 by rounding each number to the nearest 10: ______
- Estimate 79 − 62 by rounding each number to the nearest 10: ______
- Estimate 39 + 37 by rounding each number to the nearest 10: ______
- Estimate 33 + 66 by rounding each number to the nearest 10: ______
- Estimate 55 + 56 by rounding each number to the nearest 10: ______
- Estimate 67 − 44 by rounding each number to the nearest 10: ______
- Estimate 32 + 48 by rounding each number to the nearest 10: ______
- Estimate 26 + 27 by rounding each number to the nearest 10: ______
- Estimate 52 − 54 by rounding each number to the nearest 10: ______
- Estimate 29 + 28 by rounding each number to the nearest 10: ______