Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 85 by rounding each number to the nearest 10: ______
- Estimate 74 + 62 by rounding each number to the nearest 10: ______
- Estimate 48 + 68 by rounding each number to the nearest 10: ______
- Estimate 62 − 75 by rounding each number to the nearest 10: ______
- Estimate 21 + 40 by rounding each number to the nearest 10: ______
- Estimate 60 + 68 by rounding each number to the nearest 10: ______
- Estimate 87 + 51 by rounding each number to the nearest 10: ______
- Estimate 53 + 32 by rounding each number to the nearest 10: ______
- Estimate 40 + 86 by rounding each number to the nearest 10: ______
- Estimate 36 + 44 by rounding each number to the nearest 10: ______
- Estimate 76 + 21 by rounding each number to the nearest 10: ______
- Estimate 71 + 41 by rounding each number to the nearest 10: ______
- Estimate 63 − 28 by rounding each number to the nearest 10: ______
- Estimate 52 + 52 by rounding each number to the nearest 10: ______
- Estimate 79 − 70 by rounding each number to the nearest 10: ______
- Estimate 51 + 50 by rounding each number to the nearest 10: ______
- Estimate 56 − 84 by rounding each number to the nearest 10: ______
- Estimate 44 − 52 by rounding each number to the nearest 10: ______
- Estimate 73 + 31 by rounding each number to the nearest 10: ______
- Estimate 50 + 61 by rounding each number to the nearest 10: ______