Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 42 by rounding each number to the nearest 10: ______
- Estimate 79 − 84 by rounding each number to the nearest 10: ______
- Estimate 77 + 39 by rounding each number to the nearest 10: ______
- Estimate 63 + 31 by rounding each number to the nearest 10: ______
- Estimate 37 − 44 by rounding each number to the nearest 10: ______
- Estimate 78 + 85 by rounding each number to the nearest 10: ______
- Estimate 41 + 75 by rounding each number to the nearest 10: ______
- Estimate 34 + 89 by rounding each number to the nearest 10: ______
- Estimate 38 − 67 by rounding each number to the nearest 10: ______
- Estimate 40 + 35 by rounding each number to the nearest 10: ______
- Estimate 61 − 62 by rounding each number to the nearest 10: ______
- Estimate 40 + 31 by rounding each number to the nearest 10: ______
- Estimate 65 − 65 by rounding each number to the nearest 10: ______
- Estimate 60 − 85 by rounding each number to the nearest 10: ______
- Estimate 87 + 65 by rounding each number to the nearest 10: ______
- Estimate 87 − 70 by rounding each number to the nearest 10: ______
- Estimate 73 + 43 by rounding each number to the nearest 10: ______
- Estimate 53 + 33 by rounding each number to the nearest 10: ______
- Estimate 23 − 56 by rounding each number to the nearest 10: ______
- Estimate 27 − 22 by rounding each number to the nearest 10: ______