Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 43 by rounding each number to the nearest 10: ______
- Estimate 41 − 49 by rounding each number to the nearest 10: ______
- Estimate 87 + 46 by rounding each number to the nearest 10: ______
- Estimate 48 + 80 by rounding each number to the nearest 10: ______
- Estimate 65 − 49 by rounding each number to the nearest 10: ______
- Estimate 49 − 87 by rounding each number to the nearest 10: ______
- Estimate 29 − 64 by rounding each number to the nearest 10: ______
- Estimate 58 + 64 by rounding each number to the nearest 10: ______
- Estimate 87 + 36 by rounding each number to the nearest 10: ______
- Estimate 85 + 59 by rounding each number to the nearest 10: ______
- Estimate 40 − 51 by rounding each number to the nearest 10: ______
- Estimate 25 − 78 by rounding each number to the nearest 10: ______
- Estimate 69 − 25 by rounding each number to the nearest 10: ______
- Estimate 58 + 50 by rounding each number to the nearest 10: ______
- Estimate 58 − 61 by rounding each number to the nearest 10: ______
- Estimate 23 − 57 by rounding each number to the nearest 10: ______
- Estimate 61 − 72 by rounding each number to the nearest 10: ______
- Estimate 43 + 87 by rounding each number to the nearest 10: ______
- Estimate 39 + 37 by rounding each number to the nearest 10: ______
- Estimate 44 + 30 by rounding each number to the nearest 10: ______