Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 − 21 by rounding each number to the nearest 10: ______
- Estimate 52 + 65 by rounding each number to the nearest 10: ______
- Estimate 85 + 25 by rounding each number to the nearest 10: ______
- Estimate 34 − 34 by rounding each number to the nearest 10: ______
- Estimate 64 − 62 by rounding each number to the nearest 10: ______
- Estimate 52 + 58 by rounding each number to the nearest 10: ______
- Estimate 88 + 47 by rounding each number to the nearest 10: ______
- Estimate 28 + 40 by rounding each number to the nearest 10: ______
- Estimate 41 + 37 by rounding each number to the nearest 10: ______
- Estimate 75 − 53 by rounding each number to the nearest 10: ______
- Estimate 54 + 73 by rounding each number to the nearest 10: ______
- Estimate 60 − 63 by rounding each number to the nearest 10: ______
- Estimate 63 + 79 by rounding each number to the nearest 10: ______
- Estimate 72 − 25 by rounding each number to the nearest 10: ______
- Estimate 34 + 42 by rounding each number to the nearest 10: ______
- Estimate 40 − 67 by rounding each number to the nearest 10: ______
- Estimate 62 − 37 by rounding each number to the nearest 10: ______
- Estimate 66 + 69 by rounding each number to the nearest 10: ______
- Estimate 27 − 45 by rounding each number to the nearest 10: ______
- Estimate 26 + 41 by rounding each number to the nearest 10: ______