Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 74 + 37 by rounding each number to the nearest 10: ______
- Estimate 57 + 88 by rounding each number to the nearest 10: ______
- Estimate 83 + 43 by rounding each number to the nearest 10: ______
- Estimate 25 − 57 by rounding each number to the nearest 10: ______
- Estimate 80 + 39 by rounding each number to the nearest 10: ______
- Estimate 81 − 71 by rounding each number to the nearest 10: ______
- Estimate 44 − 36 by rounding each number to the nearest 10: ______
- Estimate 66 + 57 by rounding each number to the nearest 10: ______
- Estimate 70 − 31 by rounding each number to the nearest 10: ______
- Estimate 25 − 21 by rounding each number to the nearest 10: ______
- Estimate 36 + 40 by rounding each number to the nearest 10: ______
- Estimate 48 + 23 by rounding each number to the nearest 10: ______
- Estimate 29 + 73 by rounding each number to the nearest 10: ______
- Estimate 60 − 89 by rounding each number to the nearest 10: ______
- Estimate 43 − 40 by rounding each number to the nearest 10: ______
- Estimate 38 + 23 by rounding each number to the nearest 10: ______
- Estimate 69 − 85 by rounding each number to the nearest 10: ______
- Estimate 82 − 88 by rounding each number to the nearest 10: ______
- Estimate 57 + 25 by rounding each number to the nearest 10: ______
- Estimate 61 + 29 by rounding each number to the nearest 10: ______