Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 36 by rounding each number to the nearest 10: ______
- Estimate 54 − 49 by rounding each number to the nearest 10: ______
- Estimate 65 − 59 by rounding each number to the nearest 10: ______
- Estimate 57 + 61 by rounding each number to the nearest 10: ______
- Estimate 36 + 41 by rounding each number to the nearest 10: ______
- Estimate 47 − 40 by rounding each number to the nearest 10: ______
- Estimate 52 − 36 by rounding each number to the nearest 10: ______
- Estimate 56 + 85 by rounding each number to the nearest 10: ______
- Estimate 23 + 89 by rounding each number to the nearest 10: ______
- Estimate 77 + 39 by rounding each number to the nearest 10: ______
- Estimate 29 − 32 by rounding each number to the nearest 10: ______
- Estimate 52 + 86 by rounding each number to the nearest 10: ______
- Estimate 22 + 23 by rounding each number to the nearest 10: ______
- Estimate 75 + 61 by rounding each number to the nearest 10: ______
- Estimate 36 + 56 by rounding each number to the nearest 10: ______
- Estimate 56 − 33 by rounding each number to the nearest 10: ______
- Estimate 60 − 61 by rounding each number to the nearest 10: ______
- Estimate 42 + 67 by rounding each number to the nearest 10: ______
- Estimate 87 − 63 by rounding each number to the nearest 10: ______
- Estimate 71 − 36 by rounding each number to the nearest 10: ______