Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 77 by rounding each number to the nearest 10: ______
- Estimate 29 + 53 by rounding each number to the nearest 10: ______
- Estimate 41 + 67 by rounding each number to the nearest 10: ______
- Estimate 24 + 73 by rounding each number to the nearest 10: ______
- Estimate 24 − 64 by rounding each number to the nearest 10: ______
- Estimate 21 + 34 by rounding each number to the nearest 10: ______
- Estimate 80 − 21 by rounding each number to the nearest 10: ______
- Estimate 66 − 63 by rounding each number to the nearest 10: ______
- Estimate 61 − 64 by rounding each number to the nearest 10: ______
- Estimate 44 − 30 by rounding each number to the nearest 10: ______
- Estimate 42 + 54 by rounding each number to the nearest 10: ______
- Estimate 27 − 48 by rounding each number to the nearest 10: ______
- Estimate 89 − 78 by rounding each number to the nearest 10: ______
- Estimate 81 + 88 by rounding each number to the nearest 10: ______
- Estimate 59 − 47 by rounding each number to the nearest 10: ______
- Estimate 85 − 49 by rounding each number to the nearest 10: ______
- Estimate 54 + 22 by rounding each number to the nearest 10: ______
- Estimate 31 − 40 by rounding each number to the nearest 10: ______
- Estimate 38 − 50 by rounding each number to the nearest 10: ______
- Estimate 22 − 67 by rounding each number to the nearest 10: ______