Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 − 68 by rounding each number to the nearest 10: ______
- Estimate 21 + 64 by rounding each number to the nearest 10: ______
- Estimate 86 + 53 by rounding each number to the nearest 10: ______
- Estimate 25 + 68 by rounding each number to the nearest 10: ______
- Estimate 56 − 31 by rounding each number to the nearest 10: ______
- Estimate 33 − 54 by rounding each number to the nearest 10: ______
- Estimate 23 − 35 by rounding each number to the nearest 10: ______
- Estimate 69 + 43 by rounding each number to the nearest 10: ______
- Estimate 79 − 33 by rounding each number to the nearest 10: ______
- Estimate 28 + 76 by rounding each number to the nearest 10: ______
- Estimate 55 − 33 by rounding each number to the nearest 10: ______
- Estimate 71 − 81 by rounding each number to the nearest 10: ______
- Estimate 24 − 77 by rounding each number to the nearest 10: ______
- Estimate 51 + 24 by rounding each number to the nearest 10: ______
- Estimate 23 − 88 by rounding each number to the nearest 10: ______
- Estimate 75 + 87 by rounding each number to the nearest 10: ______
- Estimate 63 + 36 by rounding each number to the nearest 10: ______
- Estimate 79 + 87 by rounding each number to the nearest 10: ______
- Estimate 22 + 56 by rounding each number to the nearest 10: ______
- Estimate 23 − 40 by rounding each number to the nearest 10: ______