Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 74 by rounding each number to the nearest 10: ______
- Estimate 47 + 86 by rounding each number to the nearest 10: ______
- Estimate 79 − 57 by rounding each number to the nearest 10: ______
- Estimate 50 − 56 by rounding each number to the nearest 10: ______
- Estimate 24 + 37 by rounding each number to the nearest 10: ______
- Estimate 28 − 60 by rounding each number to the nearest 10: ______
- Estimate 25 + 42 by rounding each number to the nearest 10: ______
- Estimate 35 + 34 by rounding each number to the nearest 10: ______
- Estimate 52 − 30 by rounding each number to the nearest 10: ______
- Estimate 30 + 77 by rounding each number to the nearest 10: ______
- Estimate 35 − 61 by rounding each number to the nearest 10: ______
- Estimate 70 + 48 by rounding each number to the nearest 10: ______
- Estimate 45 + 84 by rounding each number to the nearest 10: ______
- Estimate 81 − 72 by rounding each number to the nearest 10: ______
- Estimate 32 + 38 by rounding each number to the nearest 10: ______
- Estimate 68 + 35 by rounding each number to the nearest 10: ______
- Estimate 80 − 71 by rounding each number to the nearest 10: ______
- Estimate 52 − 25 by rounding each number to the nearest 10: ______
- Estimate 86 − 28 by rounding each number to the nearest 10: ______
- Estimate 63 − 47 by rounding each number to the nearest 10: ______