Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 59 by rounding each number to the nearest 10: ______
- Estimate 39 + 51 by rounding each number to the nearest 10: ______
- Estimate 44 + 88 by rounding each number to the nearest 10: ______
- Estimate 78 + 33 by rounding each number to the nearest 10: ______
- Estimate 40 + 81 by rounding each number to the nearest 10: ______
- Estimate 49 + 86 by rounding each number to the nearest 10: ______
- Estimate 60 − 75 by rounding each number to the nearest 10: ______
- Estimate 51 + 31 by rounding each number to the nearest 10: ______
- Estimate 80 + 43 by rounding each number to the nearest 10: ______
- Estimate 42 + 80 by rounding each number to the nearest 10: ______
- Estimate 40 − 42 by rounding each number to the nearest 10: ______
- Estimate 74 + 76 by rounding each number to the nearest 10: ______
- Estimate 47 + 67 by rounding each number to the nearest 10: ______
- Estimate 76 − 38 by rounding each number to the nearest 10: ______
- Estimate 23 − 62 by rounding each number to the nearest 10: ______
- Estimate 82 − 28 by rounding each number to the nearest 10: ______
- Estimate 76 + 32 by rounding each number to the nearest 10: ______
- Estimate 80 − 47 by rounding each number to the nearest 10: ______
- Estimate 70 − 45 by rounding each number to the nearest 10: ______
- Estimate 63 + 88 by rounding each number to the nearest 10: ______