Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 − 64 by rounding each number to the nearest 10: ______
- Estimate 87 − 40 by rounding each number to the nearest 10: ______
- Estimate 22 + 82 by rounding each number to the nearest 10: ______
- Estimate 70 − 29 by rounding each number to the nearest 10: ______
- Estimate 28 − 29 by rounding each number to the nearest 10: ______
- Estimate 22 + 50 by rounding each number to the nearest 10: ______
- Estimate 42 − 51 by rounding each number to the nearest 10: ______
- Estimate 30 + 36 by rounding each number to the nearest 10: ______
- Estimate 66 + 56 by rounding each number to the nearest 10: ______
- Estimate 77 − 79 by rounding each number to the nearest 10: ______
- Estimate 65 − 50 by rounding each number to the nearest 10: ______
- Estimate 74 + 46 by rounding each number to the nearest 10: ______
- Estimate 48 + 42 by rounding each number to the nearest 10: ______
- Estimate 68 + 76 by rounding each number to the nearest 10: ______
- Estimate 78 + 82 by rounding each number to the nearest 10: ______
- Estimate 86 + 30 by rounding each number to the nearest 10: ______
- Estimate 63 + 49 by rounding each number to the nearest 10: ______
- Estimate 23 + 72 by rounding each number to the nearest 10: ______
- Estimate 77 − 26 by rounding each number to the nearest 10: ______
- Estimate 78 − 88 by rounding each number to the nearest 10: ______