Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 66 + 64 by rounding each number to the nearest 10: ______
- Estimate 46 + 88 by rounding each number to the nearest 10: ______
- Estimate 48 + 39 by rounding each number to the nearest 10: ______
- Estimate 65 − 21 by rounding each number to the nearest 10: ______
- Estimate 65 − 71 by rounding each number to the nearest 10: ______
- Estimate 81 − 32 by rounding each number to the nearest 10: ______
- Estimate 72 − 47 by rounding each number to the nearest 10: ______
- Estimate 69 − 56 by rounding each number to the nearest 10: ______
- Estimate 53 − 41 by rounding each number to the nearest 10: ______
- Estimate 56 + 30 by rounding each number to the nearest 10: ______
- Estimate 43 + 78 by rounding each number to the nearest 10: ______
- Estimate 86 − 24 by rounding each number to the nearest 10: ______
- Estimate 74 − 30 by rounding each number to the nearest 10: ______
- Estimate 27 − 73 by rounding each number to the nearest 10: ______
- Estimate 51 − 38 by rounding each number to the nearest 10: ______
- Estimate 53 + 41 by rounding each number to the nearest 10: ______
- Estimate 42 − 30 by rounding each number to the nearest 10: ______
- Estimate 50 + 66 by rounding each number to the nearest 10: ______
- Estimate 86 − 47 by rounding each number to the nearest 10: ______
- Estimate 75 − 30 by rounding each number to the nearest 10: ______