Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 + 31 by rounding each number to the nearest 10: ______
- Estimate 55 + 66 by rounding each number to the nearest 10: ______
- Estimate 41 − 80 by rounding each number to the nearest 10: ______
- Estimate 58 + 77 by rounding each number to the nearest 10: ______
- Estimate 77 − 24 by rounding each number to the nearest 10: ______
- Estimate 63 + 78 by rounding each number to the nearest 10: ______
- Estimate 52 + 51 by rounding each number to the nearest 10: ______
- Estimate 64 + 42 by rounding each number to the nearest 10: ______
- Estimate 70 + 50 by rounding each number to the nearest 10: ______
- Estimate 40 − 68 by rounding each number to the nearest 10: ______
- Estimate 60 − 52 by rounding each number to the nearest 10: ______
- Estimate 43 + 80 by rounding each number to the nearest 10: ______
- Estimate 81 + 82 by rounding each number to the nearest 10: ______
- Estimate 35 + 61 by rounding each number to the nearest 10: ______
- Estimate 42 − 33 by rounding each number to the nearest 10: ______
- Estimate 86 − 31 by rounding each number to the nearest 10: ______
- Estimate 73 + 87 by rounding each number to the nearest 10: ______
- Estimate 53 − 53 by rounding each number to the nearest 10: ______
- Estimate 74 − 23 by rounding each number to the nearest 10: ______
- Estimate 69 − 72 by rounding each number to the nearest 10: ______