Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 − 30 by rounding each number to the nearest 10: ______
- Estimate 66 + 35 by rounding each number to the nearest 10: ______
- Estimate 62 + 57 by rounding each number to the nearest 10: ______
- Estimate 88 + 37 by rounding each number to the nearest 10: ______
- Estimate 78 + 27 by rounding each number to the nearest 10: ______
- Estimate 86 + 50 by rounding each number to the nearest 10: ______
- Estimate 76 + 21 by rounding each number to the nearest 10: ______
- Estimate 50 − 74 by rounding each number to the nearest 10: ______
- Estimate 76 + 31 by rounding each number to the nearest 10: ______
- Estimate 64 − 49 by rounding each number to the nearest 10: ______
- Estimate 80 + 41 by rounding each number to the nearest 10: ______
- Estimate 28 + 40 by rounding each number to the nearest 10: ______
- Estimate 68 + 50 by rounding each number to the nearest 10: ______
- Estimate 29 − 77 by rounding each number to the nearest 10: ______
- Estimate 89 + 89 by rounding each number to the nearest 10: ______
- Estimate 42 − 65 by rounding each number to the nearest 10: ______
- Estimate 87 − 68 by rounding each number to the nearest 10: ______
- Estimate 78 + 37 by rounding each number to the nearest 10: ______
- Estimate 28 − 54 by rounding each number to the nearest 10: ______
- Estimate 54 + 41 by rounding each number to the nearest 10: ______