Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 − 52 by rounding each number to the nearest 10: ______
- Estimate 31 − 34 by rounding each number to the nearest 10: ______
- Estimate 59 − 42 by rounding each number to the nearest 10: ______
- Estimate 72 + 63 by rounding each number to the nearest 10: ______
- Estimate 54 + 30 by rounding each number to the nearest 10: ______
- Estimate 28 + 67 by rounding each number to the nearest 10: ______
- Estimate 89 + 70 by rounding each number to the nearest 10: ______
- Estimate 47 + 33 by rounding each number to the nearest 10: ______
- Estimate 55 − 67 by rounding each number to the nearest 10: ______
- Estimate 41 + 46 by rounding each number to the nearest 10: ______
- Estimate 66 − 58 by rounding each number to the nearest 10: ______
- Estimate 37 + 29 by rounding each number to the nearest 10: ______
- Estimate 77 + 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 61 by rounding each number to the nearest 10: ______
- Estimate 55 + 36 by rounding each number to the nearest 10: ______
- Estimate 49 − 59 by rounding each number to the nearest 10: ______
- Estimate 45 − 51 by rounding each number to the nearest 10: ______
- Estimate 56 + 45 by rounding each number to the nearest 10: ______
- Estimate 22 + 51 by rounding each number to the nearest 10: ______
- Estimate 59 + 23 by rounding each number to the nearest 10: ______