Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 77 by rounding each number to the nearest 10: ______
- Estimate 40 + 44 by rounding each number to the nearest 10: ______
- Estimate 28 − 61 by rounding each number to the nearest 10: ______
- Estimate 29 − 82 by rounding each number to the nearest 10: ______
- Estimate 85 − 83 by rounding each number to the nearest 10: ______
- Estimate 62 + 47 by rounding each number to the nearest 10: ______
- Estimate 46 − 39 by rounding each number to the nearest 10: ______
- Estimate 53 − 78 by rounding each number to the nearest 10: ______
- Estimate 29 − 88 by rounding each number to the nearest 10: ______
- Estimate 62 + 78 by rounding each number to the nearest 10: ______
- Estimate 43 − 64 by rounding each number to the nearest 10: ______
- Estimate 36 + 78 by rounding each number to the nearest 10: ______
- Estimate 69 + 49 by rounding each number to the nearest 10: ______
- Estimate 23 − 74 by rounding each number to the nearest 10: ______
- Estimate 82 + 73 by rounding each number to the nearest 10: ______
- Estimate 76 + 51 by rounding each number to the nearest 10: ______
- Estimate 69 − 59 by rounding each number to the nearest 10: ______
- Estimate 36 − 86 by rounding each number to the nearest 10: ______
- Estimate 88 − 51 by rounding each number to the nearest 10: ______
- Estimate 27 − 75 by rounding each number to the nearest 10: ______