Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 48 by rounding each number to the nearest 10: ______
- Estimate 69 + 35 by rounding each number to the nearest 10: ______
- Estimate 24 − 81 by rounding each number to the nearest 10: ______
- Estimate 57 − 72 by rounding each number to the nearest 10: ______
- Estimate 83 + 74 by rounding each number to the nearest 10: ______
- Estimate 58 − 68 by rounding each number to the nearest 10: ______
- Estimate 54 + 31 by rounding each number to the nearest 10: ______
- Estimate 75 + 27 by rounding each number to the nearest 10: ______
- Estimate 76 + 33 by rounding each number to the nearest 10: ______
- Estimate 77 − 57 by rounding each number to the nearest 10: ______
- Estimate 57 − 33 by rounding each number to the nearest 10: ______
- Estimate 85 − 81 by rounding each number to the nearest 10: ______
- Estimate 43 − 64 by rounding each number to the nearest 10: ______
- Estimate 44 − 25 by rounding each number to the nearest 10: ______
- Estimate 34 + 73 by rounding each number to the nearest 10: ______
- Estimate 84 − 50 by rounding each number to the nearest 10: ______
- Estimate 39 − 34 by rounding each number to the nearest 10: ______
- Estimate 39 + 78 by rounding each number to the nearest 10: ______
- Estimate 31 + 43 by rounding each number to the nearest 10: ______
- Estimate 31 − 53 by rounding each number to the nearest 10: ______