Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 − 21 by rounding each number to the nearest 10: ______
- Estimate 77 − 76 by rounding each number to the nearest 10: ______
- Estimate 79 − 36 by rounding each number to the nearest 10: ______
- Estimate 88 + 59 by rounding each number to the nearest 10: ______
- Estimate 84 + 74 by rounding each number to the nearest 10: ______
- Estimate 34 − 61 by rounding each number to the nearest 10: ______
- Estimate 24 − 56 by rounding each number to the nearest 10: ______
- Estimate 63 − 66 by rounding each number to the nearest 10: ______
- Estimate 22 + 34 by rounding each number to the nearest 10: ______
- Estimate 27 + 43 by rounding each number to the nearest 10: ______
- Estimate 49 + 75 by rounding each number to the nearest 10: ______
- Estimate 67 − 76 by rounding each number to the nearest 10: ______
- Estimate 61 + 23 by rounding each number to the nearest 10: ______
- Estimate 74 − 85 by rounding each number to the nearest 10: ______
- Estimate 57 − 30 by rounding each number to the nearest 10: ______
- Estimate 67 + 40 by rounding each number to the nearest 10: ______
- Estimate 61 + 32 by rounding each number to the nearest 10: ______
- Estimate 29 − 35 by rounding each number to the nearest 10: ______
- Estimate 50 + 32 by rounding each number to the nearest 10: ______
- Estimate 50 − 57 by rounding each number to the nearest 10: ______