Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 + 78 by rounding each number to the nearest 10: ______
- Estimate 83 + 21 by rounding each number to the nearest 10: ______
- Estimate 32 − 87 by rounding each number to the nearest 10: ______
- Estimate 32 + 33 by rounding each number to the nearest 10: ______
- Estimate 23 + 61 by rounding each number to the nearest 10: ______
- Estimate 33 − 48 by rounding each number to the nearest 10: ______
- Estimate 59 + 64 by rounding each number to the nearest 10: ______
- Estimate 34 − 83 by rounding each number to the nearest 10: ______
- Estimate 63 − 53 by rounding each number to the nearest 10: ______
- Estimate 52 − 37 by rounding each number to the nearest 10: ______
- Estimate 87 + 31 by rounding each number to the nearest 10: ______
- Estimate 55 + 63 by rounding each number to the nearest 10: ______
- Estimate 32 + 56 by rounding each number to the nearest 10: ______
- Estimate 48 + 24 by rounding each number to the nearest 10: ______
- Estimate 40 − 63 by rounding each number to the nearest 10: ______
- Estimate 81 + 65 by rounding each number to the nearest 10: ______
- Estimate 22 + 55 by rounding each number to the nearest 10: ______
- Estimate 48 − 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 67 by rounding each number to the nearest 10: ______
- Estimate 34 − 54 by rounding each number to the nearest 10: ______