Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 + 87 by rounding each number to the nearest 10: ______
- Estimate 35 − 22 by rounding each number to the nearest 10: ______
- Estimate 76 + 26 by rounding each number to the nearest 10: ______
- Estimate 70 + 42 by rounding each number to the nearest 10: ______
- Estimate 58 + 49 by rounding each number to the nearest 10: ______
- Estimate 53 + 70 by rounding each number to the nearest 10: ______
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 52 + 32 by rounding each number to the nearest 10: ______
- Estimate 42 + 63 by rounding each number to the nearest 10: ______
- Estimate 33 − 71 by rounding each number to the nearest 10: ______
- Estimate 35 + 37 by rounding each number to the nearest 10: ______
- Estimate 68 + 85 by rounding each number to the nearest 10: ______
- Estimate 21 − 44 by rounding each number to the nearest 10: ______
- Estimate 75 + 28 by rounding each number to the nearest 10: ______
- Estimate 33 + 58 by rounding each number to the nearest 10: ______
- Estimate 40 − 89 by rounding each number to the nearest 10: ______
- Estimate 83 + 66 by rounding each number to the nearest 10: ______
- Estimate 45 + 24 by rounding each number to the nearest 10: ______
- Estimate 74 + 51 by rounding each number to the nearest 10: ______
- Estimate 33 + 59 by rounding each number to the nearest 10: ______