Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 52 by rounding each number to the nearest 10: ______
- Estimate 69 + 40 by rounding each number to the nearest 10: ______
- Estimate 48 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 + 77 by rounding each number to the nearest 10: ______
- Estimate 49 − 51 by rounding each number to the nearest 10: ______
- Estimate 87 + 43 by rounding each number to the nearest 10: ______
- Estimate 64 − 73 by rounding each number to the nearest 10: ______
- Estimate 29 + 71 by rounding each number to the nearest 10: ______
- Estimate 51 + 44 by rounding each number to the nearest 10: ______
- Estimate 67 − 43 by rounding each number to the nearest 10: ______
- Estimate 57 + 86 by rounding each number to the nearest 10: ______
- Estimate 24 − 50 by rounding each number to the nearest 10: ______
- Estimate 82 + 85 by rounding each number to the nearest 10: ______
- Estimate 52 + 56 by rounding each number to the nearest 10: ______
- Estimate 56 − 40 by rounding each number to the nearest 10: ______
- Estimate 63 + 65 by rounding each number to the nearest 10: ______
- Estimate 48 + 71 by rounding each number to the nearest 10: ______
- Estimate 23 − 51 by rounding each number to the nearest 10: ______
- Estimate 56 + 74 by rounding each number to the nearest 10: ______
- Estimate 54 + 48 by rounding each number to the nearest 10: ______