Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 50 by rounding each number to the nearest 10: ______
- Estimate 52 + 31 by rounding each number to the nearest 10: ______
- Estimate 41 − 41 by rounding each number to the nearest 10: ______
- Estimate 35 − 32 by rounding each number to the nearest 10: ______
- Estimate 86 − 74 by rounding each number to the nearest 10: ______
- Estimate 69 − 38 by rounding each number to the nearest 10: ______
- Estimate 58 − 24 by rounding each number to the nearest 10: ______
- Estimate 68 + 65 by rounding each number to the nearest 10: ______
- Estimate 89 + 68 by rounding each number to the nearest 10: ______
- Estimate 85 − 36 by rounding each number to the nearest 10: ______
- Estimate 52 + 38 by rounding each number to the nearest 10: ______
- Estimate 29 − 79 by rounding each number to the nearest 10: ______
- Estimate 25 + 81 by rounding each number to the nearest 10: ______
- Estimate 62 − 38 by rounding each number to the nearest 10: ______
- Estimate 83 − 22 by rounding each number to the nearest 10: ______
- Estimate 65 − 61 by rounding each number to the nearest 10: ______
- Estimate 27 − 64 by rounding each number to the nearest 10: ______
- Estimate 48 − 68 by rounding each number to the nearest 10: ______
- Estimate 40 + 70 by rounding each number to the nearest 10: ______
- Estimate 85 + 35 by rounding each number to the nearest 10: ______