Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 + 65 by rounding each number to the nearest 10: ______
- Estimate 88 − 46 by rounding each number to the nearest 10: ______
- Estimate 33 − 54 by rounding each number to the nearest 10: ______
- Estimate 42 + 62 by rounding each number to the nearest 10: ______
- Estimate 88 − 27 by rounding each number to the nearest 10: ______
- Estimate 23 − 56 by rounding each number to the nearest 10: ______
- Estimate 53 − 50 by rounding each number to the nearest 10: ______
- Estimate 29 − 58 by rounding each number to the nearest 10: ______
- Estimate 53 + 50 by rounding each number to the nearest 10: ______
- Estimate 83 + 70 by rounding each number to the nearest 10: ______
- Estimate 63 + 30 by rounding each number to the nearest 10: ______
- Estimate 81 + 40 by rounding each number to the nearest 10: ______
- Estimate 89 − 39 by rounding each number to the nearest 10: ______
- Estimate 39 + 57 by rounding each number to the nearest 10: ______
- Estimate 77 + 40 by rounding each number to the nearest 10: ______
- Estimate 75 − 63 by rounding each number to the nearest 10: ______
- Estimate 78 + 64 by rounding each number to the nearest 10: ______
- Estimate 66 − 78 by rounding each number to the nearest 10: ______
- Estimate 27 + 30 by rounding each number to the nearest 10: ______
- Estimate 38 + 22 by rounding each number to the nearest 10: ______