Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 63 by rounding each number to the nearest 10: ______
- Estimate 39 + 33 by rounding each number to the nearest 10: ______
- Estimate 28 − 27 by rounding each number to the nearest 10: ______
- Estimate 52 − 73 by rounding each number to the nearest 10: ______
- Estimate 27 + 49 by rounding each number to the nearest 10: ______
- Estimate 54 − 75 by rounding each number to the nearest 10: ______
- Estimate 86 + 65 by rounding each number to the nearest 10: ______
- Estimate 33 − 26 by rounding each number to the nearest 10: ______
- Estimate 65 − 23 by rounding each number to the nearest 10: ______
- Estimate 45 + 22 by rounding each number to the nearest 10: ______
- Estimate 32 − 26 by rounding each number to the nearest 10: ______
- Estimate 59 + 41 by rounding each number to the nearest 10: ______
- Estimate 43 − 32 by rounding each number to the nearest 10: ______
- Estimate 61 + 71 by rounding each number to the nearest 10: ______
- Estimate 74 + 78 by rounding each number to the nearest 10: ______
- Estimate 75 + 88 by rounding each number to the nearest 10: ______
- Estimate 37 − 34 by rounding each number to the nearest 10: ______
- Estimate 61 − 37 by rounding each number to the nearest 10: ______
- Estimate 26 + 84 by rounding each number to the nearest 10: ______
- Estimate 86 − 33 by rounding each number to the nearest 10: ______