Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 87 by rounding each number to the nearest 10: ______
- Estimate 60 + 60 by rounding each number to the nearest 10: ______
- Estimate 81 − 31 by rounding each number to the nearest 10: ______
- Estimate 65 + 32 by rounding each number to the nearest 10: ______
- Estimate 54 + 57 by rounding each number to the nearest 10: ______
- Estimate 35 + 30 by rounding each number to the nearest 10: ______
- Estimate 33 − 76 by rounding each number to the nearest 10: ______
- Estimate 61 − 33 by rounding each number to the nearest 10: ______
- Estimate 77 + 62 by rounding each number to the nearest 10: ______
- Estimate 28 + 56 by rounding each number to the nearest 10: ______
- Estimate 46 − 33 by rounding each number to the nearest 10: ______
- Estimate 31 − 83 by rounding each number to the nearest 10: ______
- Estimate 66 + 86 by rounding each number to the nearest 10: ______
- Estimate 68 − 24 by rounding each number to the nearest 10: ______
- Estimate 45 + 48 by rounding each number to the nearest 10: ______
- Estimate 63 − 89 by rounding each number to the nearest 10: ______
- Estimate 44 + 40 by rounding each number to the nearest 10: ______
- Estimate 63 − 44 by rounding each number to the nearest 10: ______
- Estimate 54 + 36 by rounding each number to the nearest 10: ______
- Estimate 68 − 33 by rounding each number to the nearest 10: ______