Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 + 46 by rounding each number to the nearest 10: ______
- Estimate 61 + 44 by rounding each number to the nearest 10: ______
- Estimate 78 − 39 by rounding each number to the nearest 10: ______
- Estimate 48 + 21 by rounding each number to the nearest 10: ______
- Estimate 45 + 36 by rounding each number to the nearest 10: ______
- Estimate 21 − 38 by rounding each number to the nearest 10: ______
- Estimate 40 − 47 by rounding each number to the nearest 10: ______
- Estimate 48 + 36 by rounding each number to the nearest 10: ______
- Estimate 67 − 54 by rounding each number to the nearest 10: ______
- Estimate 32 − 39 by rounding each number to the nearest 10: ______
- Estimate 57 + 28 by rounding each number to the nearest 10: ______
- Estimate 41 + 75 by rounding each number to the nearest 10: ______
- Estimate 88 + 41 by rounding each number to the nearest 10: ______
- Estimate 55 − 27 by rounding each number to the nearest 10: ______
- Estimate 66 + 57 by rounding each number to the nearest 10: ______
- Estimate 88 + 56 by rounding each number to the nearest 10: ______
- Estimate 52 + 24 by rounding each number to the nearest 10: ______
- Estimate 63 + 36 by rounding each number to the nearest 10: ______
- Estimate 23 − 23 by rounding each number to the nearest 10: ______
- Estimate 41 − 64 by rounding each number to the nearest 10: ______