Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 66 by rounding each number to the nearest 10: ______
- Estimate 39 + 57 by rounding each number to the nearest 10: ______
- Estimate 86 − 51 by rounding each number to the nearest 10: ______
- Estimate 39 + 60 by rounding each number to the nearest 10: ______
- Estimate 54 + 57 by rounding each number to the nearest 10: ______
- Estimate 47 − 73 by rounding each number to the nearest 10: ______
- Estimate 47 + 46 by rounding each number to the nearest 10: ______
- Estimate 79 + 81 by rounding each number to the nearest 10: ______
- Estimate 53 + 44 by rounding each number to the nearest 10: ______
- Estimate 24 + 60 by rounding each number to the nearest 10: ______
- Estimate 28 + 62 by rounding each number to the nearest 10: ______
- Estimate 25 + 26 by rounding each number to the nearest 10: ______
- Estimate 28 + 61 by rounding each number to the nearest 10: ______
- Estimate 58 + 56 by rounding each number to the nearest 10: ______
- Estimate 47 − 64 by rounding each number to the nearest 10: ______
- Estimate 64 − 83 by rounding each number to the nearest 10: ______
- Estimate 32 − 40 by rounding each number to the nearest 10: ______
- Estimate 64 + 67 by rounding each number to the nearest 10: ______
- Estimate 33 + 54 by rounding each number to the nearest 10: ______
- Estimate 80 − 41 by rounding each number to the nearest 10: ______