Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 − 80 by rounding each number to the nearest 10: ______
- Estimate 87 + 21 by rounding each number to the nearest 10: ______
- Estimate 58 + 22 by rounding each number to the nearest 10: ______
- Estimate 38 + 70 by rounding each number to the nearest 10: ______
- Estimate 74 + 59 by rounding each number to the nearest 10: ______
- Estimate 57 + 38 by rounding each number to the nearest 10: ______
- Estimate 82 + 47 by rounding each number to the nearest 10: ______
- Estimate 51 − 26 by rounding each number to the nearest 10: ______
- Estimate 86 + 21 by rounding each number to the nearest 10: ______
- Estimate 38 + 39 by rounding each number to the nearest 10: ______
- Estimate 71 + 80 by rounding each number to the nearest 10: ______
- Estimate 42 + 55 by rounding each number to the nearest 10: ______
- Estimate 33 + 76 by rounding each number to the nearest 10: ______
- Estimate 65 + 35 by rounding each number to the nearest 10: ______
- Estimate 51 + 32 by rounding each number to the nearest 10: ______
- Estimate 52 − 81 by rounding each number to the nearest 10: ______
- Estimate 60 − 34 by rounding each number to the nearest 10: ______
- Estimate 60 + 87 by rounding each number to the nearest 10: ______
- Estimate 32 + 36 by rounding each number to the nearest 10: ______
- Estimate 53 + 66 by rounding each number to the nearest 10: ______