Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 − 25 by rounding each number to the nearest 10: ______
- Estimate 27 − 54 by rounding each number to the nearest 10: ______
- Estimate 50 − 22 by rounding each number to the nearest 10: ______
- Estimate 39 + 58 by rounding each number to the nearest 10: ______
- Estimate 25 − 84 by rounding each number to the nearest 10: ______
- Estimate 61 − 34 by rounding each number to the nearest 10: ______
- Estimate 52 + 58 by rounding each number to the nearest 10: ______
- Estimate 87 − 38 by rounding each number to the nearest 10: ______
- Estimate 40 + 60 by rounding each number to the nearest 10: ______
- Estimate 47 − 28 by rounding each number to the nearest 10: ______
- Estimate 27 − 61 by rounding each number to the nearest 10: ______
- Estimate 86 + 68 by rounding each number to the nearest 10: ______
- Estimate 88 + 87 by rounding each number to the nearest 10: ______
- Estimate 87 + 88 by rounding each number to the nearest 10: ______
- Estimate 65 + 65 by rounding each number to the nearest 10: ______
- Estimate 56 − 78 by rounding each number to the nearest 10: ______
- Estimate 78 + 31 by rounding each number to the nearest 10: ______
- Estimate 28 + 61 by rounding each number to the nearest 10: ______
- Estimate 42 + 41 by rounding each number to the nearest 10: ______
- Estimate 24 − 42 by rounding each number to the nearest 10: ______