Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 28 by rounding each number to the nearest 10: ______
- Estimate 71 + 26 by rounding each number to the nearest 10: ______
- Estimate 56 − 65 by rounding each number to the nearest 10: ______
- Estimate 38 + 53 by rounding each number to the nearest 10: ______
- Estimate 50 − 61 by rounding each number to the nearest 10: ______
- Estimate 30 + 49 by rounding each number to the nearest 10: ______
- Estimate 83 + 76 by rounding each number to the nearest 10: ______
- Estimate 26 + 40 by rounding each number to the nearest 10: ______
- Estimate 40 − 51 by rounding each number to the nearest 10: ______
- Estimate 71 − 46 by rounding each number to the nearest 10: ______
- Estimate 61 + 32 by rounding each number to the nearest 10: ______
- Estimate 38 + 48 by rounding each number to the nearest 10: ______
- Estimate 28 + 21 by rounding each number to the nearest 10: ______
- Estimate 78 + 64 by rounding each number to the nearest 10: ______
- Estimate 76 + 42 by rounding each number to the nearest 10: ______
- Estimate 21 + 86 by rounding each number to the nearest 10: ______
- Estimate 58 − 31 by rounding each number to the nearest 10: ______
- Estimate 52 − 44 by rounding each number to the nearest 10: ______
- Estimate 53 + 45 by rounding each number to the nearest 10: ______
- Estimate 29 − 24 by rounding each number to the nearest 10: ______