Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 69 by rounding each number to the nearest 10: ______
- Estimate 45 − 49 by rounding each number to the nearest 10: ______
- Estimate 77 − 65 by rounding each number to the nearest 10: ______
- Estimate 70 − 41 by rounding each number to the nearest 10: ______
- Estimate 48 + 61 by rounding each number to the nearest 10: ______
- Estimate 34 − 31 by rounding each number to the nearest 10: ______
- Estimate 75 + 79 by rounding each number to the nearest 10: ______
- Estimate 56 − 44 by rounding each number to the nearest 10: ______
- Estimate 56 + 57 by rounding each number to the nearest 10: ______
- Estimate 26 − 82 by rounding each number to the nearest 10: ______
- Estimate 32 + 73 by rounding each number to the nearest 10: ______
- Estimate 78 − 21 by rounding each number to the nearest 10: ______
- Estimate 80 + 44 by rounding each number to the nearest 10: ______
- Estimate 76 + 39 by rounding each number to the nearest 10: ______
- Estimate 45 − 27 by rounding each number to the nearest 10: ______
- Estimate 32 + 54 by rounding each number to the nearest 10: ______
- Estimate 53 − 39 by rounding each number to the nearest 10: ______
- Estimate 71 + 22 by rounding each number to the nearest 10: ______
- Estimate 89 − 36 by rounding each number to the nearest 10: ______
- Estimate 58 + 61 by rounding each number to the nearest 10: ______