Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 − 40 by rounding each number to the nearest 10: ______
- Estimate 36 − 43 by rounding each number to the nearest 10: ______
- Estimate 77 + 65 by rounding each number to the nearest 10: ______
- Estimate 33 + 33 by rounding each number to the nearest 10: ______
- Estimate 64 + 23 by rounding each number to the nearest 10: ______
- Estimate 25 + 81 by rounding each number to the nearest 10: ______
- Estimate 41 − 85 by rounding each number to the nearest 10: ______
- Estimate 33 + 82 by rounding each number to the nearest 10: ______
- Estimate 48 + 58 by rounding each number to the nearest 10: ______
- Estimate 67 − 64 by rounding each number to the nearest 10: ______
- Estimate 34 − 45 by rounding each number to the nearest 10: ______
- Estimate 68 + 79 by rounding each number to the nearest 10: ______
- Estimate 75 + 56 by rounding each number to the nearest 10: ______
- Estimate 26 − 74 by rounding each number to the nearest 10: ______
- Estimate 33 + 72 by rounding each number to the nearest 10: ______
- Estimate 68 + 53 by rounding each number to the nearest 10: ______
- Estimate 73 + 26 by rounding each number to the nearest 10: ______
- Estimate 63 − 82 by rounding each number to the nearest 10: ______
- Estimate 21 − 85 by rounding each number to the nearest 10: ______
- Estimate 87 + 51 by rounding each number to the nearest 10: ______