Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 + 61 by rounding each number to the nearest 10: ______
- Estimate 61 + 48 by rounding each number to the nearest 10: ______
- Estimate 79 + 72 by rounding each number to the nearest 10: ______
- Estimate 67 + 47 by rounding each number to the nearest 10: ______
- Estimate 56 − 38 by rounding each number to the nearest 10: ______
- Estimate 36 + 80 by rounding each number to the nearest 10: ______
- Estimate 32 − 74 by rounding each number to the nearest 10: ______
- Estimate 89 − 64 by rounding each number to the nearest 10: ______
- Estimate 51 + 44 by rounding each number to the nearest 10: ______
- Estimate 42 − 80 by rounding each number to the nearest 10: ______
- Estimate 86 + 35 by rounding each number to the nearest 10: ______
- Estimate 56 + 30 by rounding each number to the nearest 10: ______
- Estimate 53 − 28 by rounding each number to the nearest 10: ______
- Estimate 75 + 38 by rounding each number to the nearest 10: ______
- Estimate 70 + 72 by rounding each number to the nearest 10: ______
- Estimate 82 − 22 by rounding each number to the nearest 10: ______
- Estimate 57 + 55 by rounding each number to the nearest 10: ______
- Estimate 81 − 83 by rounding each number to the nearest 10: ______
- Estimate 25 + 63 by rounding each number to the nearest 10: ______
- Estimate 52 + 82 by rounding each number to the nearest 10: ______