Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 − 35 by rounding each number to the nearest 10: ______
- Estimate 43 + 74 by rounding each number to the nearest 10: ______
- Estimate 51 − 86 by rounding each number to the nearest 10: ______
- Estimate 82 − 66 by rounding each number to the nearest 10: ______
- Estimate 65 − 23 by rounding each number to the nearest 10: ______
- Estimate 22 + 82 by rounding each number to the nearest 10: ______
- Estimate 89 − 87 by rounding each number to the nearest 10: ______
- Estimate 32 + 55 by rounding each number to the nearest 10: ______
- Estimate 69 + 62 by rounding each number to the nearest 10: ______
- Estimate 73 − 83 by rounding each number to the nearest 10: ______
- Estimate 22 + 74 by rounding each number to the nearest 10: ______
- Estimate 75 − 55 by rounding each number to the nearest 10: ______
- Estimate 73 − 72 by rounding each number to the nearest 10: ______
- Estimate 64 − 65 by rounding each number to the nearest 10: ______
- Estimate 48 − 70 by rounding each number to the nearest 10: ______
- Estimate 77 − 66 by rounding each number to the nearest 10: ______
- Estimate 42 + 81 by rounding each number to the nearest 10: ______
- Estimate 30 − 84 by rounding each number to the nearest 10: ______
- Estimate 52 − 29 by rounding each number to the nearest 10: ______
- Estimate 55 + 36 by rounding each number to the nearest 10: ______