Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 + 48 by rounding each number to the nearest 10: ______
- Estimate 60 − 36 by rounding each number to the nearest 10: ______
- Estimate 62 − 66 by rounding each number to the nearest 10: ______
- Estimate 76 − 55 by rounding each number to the nearest 10: ______
- Estimate 50 − 71 by rounding each number to the nearest 10: ______
- Estimate 27 − 77 by rounding each number to the nearest 10: ______
- Estimate 59 − 40 by rounding each number to the nearest 10: ______
- Estimate 83 + 48 by rounding each number to the nearest 10: ______
- Estimate 55 + 49 by rounding each number to the nearest 10: ______
- Estimate 47 − 32 by rounding each number to the nearest 10: ______
- Estimate 25 + 57 by rounding each number to the nearest 10: ______
- Estimate 25 − 35 by rounding each number to the nearest 10: ______
- Estimate 52 − 68 by rounding each number to the nearest 10: ______
- Estimate 64 + 45 by rounding each number to the nearest 10: ______
- Estimate 87 − 86 by rounding each number to the nearest 10: ______
- Estimate 51 + 23 by rounding each number to the nearest 10: ______
- Estimate 49 − 81 by rounding each number to the nearest 10: ______
- Estimate 53 − 57 by rounding each number to the nearest 10: ______
- Estimate 80 + 60 by rounding each number to the nearest 10: ______
- Estimate 25 + 76 by rounding each number to the nearest 10: ______