Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 − 49 by rounding each number to the nearest 10: ______
- Estimate 39 + 44 by rounding each number to the nearest 10: ______
- Estimate 29 − 89 by rounding each number to the nearest 10: ______
- Estimate 27 − 30 by rounding each number to the nearest 10: ______
- Estimate 44 − 85 by rounding each number to the nearest 10: ______
- Estimate 39 − 65 by rounding each number to the nearest 10: ______
- Estimate 65 − 80 by rounding each number to the nearest 10: ______
- Estimate 89 − 79 by rounding each number to the nearest 10: ______
- Estimate 50 − 22 by rounding each number to the nearest 10: ______
- Estimate 32 − 22 by rounding each number to the nearest 10: ______
- Estimate 71 − 67 by rounding each number to the nearest 10: ______
- Estimate 63 + 44 by rounding each number to the nearest 10: ______
- Estimate 66 + 56 by rounding each number to the nearest 10: ______
- Estimate 62 + 39 by rounding each number to the nearest 10: ______
- Estimate 30 − 68 by rounding each number to the nearest 10: ______
- Estimate 42 + 40 by rounding each number to the nearest 10: ______
- Estimate 39 + 51 by rounding each number to the nearest 10: ______
- Estimate 61 + 42 by rounding each number to the nearest 10: ______
- Estimate 68 + 89 by rounding each number to the nearest 10: ______
- Estimate 54 − 36 by rounding each number to the nearest 10: ______