Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 50 by rounding each number to the nearest 10: ______
- Estimate 31 + 65 by rounding each number to the nearest 10: ______
- Estimate 44 − 24 by rounding each number to the nearest 10: ______
- Estimate 67 − 55 by rounding each number to the nearest 10: ______
- Estimate 35 − 52 by rounding each number to the nearest 10: ______
- Estimate 37 + 72 by rounding each number to the nearest 10: ______
- Estimate 88 + 23 by rounding each number to the nearest 10: ______
- Estimate 78 − 30 by rounding each number to the nearest 10: ______
- Estimate 80 − 21 by rounding each number to the nearest 10: ______
- Estimate 81 − 48 by rounding each number to the nearest 10: ______
- Estimate 74 + 63 by rounding each number to the nearest 10: ______
- Estimate 85 − 21 by rounding each number to the nearest 10: ______
- Estimate 42 − 35 by rounding each number to the nearest 10: ______
- Estimate 35 − 24 by rounding each number to the nearest 10: ______
- Estimate 48 − 27 by rounding each number to the nearest 10: ______
- Estimate 27 + 27 by rounding each number to the nearest 10: ______
- Estimate 83 − 63 by rounding each number to the nearest 10: ______
- Estimate 40 + 38 by rounding each number to the nearest 10: ______
- Estimate 89 + 88 by rounding each number to the nearest 10: ______
- Estimate 61 + 57 by rounding each number to the nearest 10: ______