Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 + 44 by rounding each number to the nearest 10: ______
- Estimate 50 + 25 by rounding each number to the nearest 10: ______
- Estimate 76 + 36 by rounding each number to the nearest 10: ______
- Estimate 83 + 48 by rounding each number to the nearest 10: ______
- Estimate 65 − 35 by rounding each number to the nearest 10: ______
- Estimate 63 − 68 by rounding each number to the nearest 10: ______
- Estimate 62 − 57 by rounding each number to the nearest 10: ______
- Estimate 89 + 55 by rounding each number to the nearest 10: ______
- Estimate 37 + 30 by rounding each number to the nearest 10: ______
- Estimate 50 − 85 by rounding each number to the nearest 10: ______
- Estimate 82 + 61 by rounding each number to the nearest 10: ______
- Estimate 43 + 57 by rounding each number to the nearest 10: ______
- Estimate 55 + 55 by rounding each number to the nearest 10: ______
- Estimate 79 + 49 by rounding each number to the nearest 10: ______
- Estimate 87 + 47 by rounding each number to the nearest 10: ______
- Estimate 22 + 65 by rounding each number to the nearest 10: ______
- Estimate 56 + 74 by rounding each number to the nearest 10: ______
- Estimate 21 + 72 by rounding each number to the nearest 10: ______
- Estimate 53 + 38 by rounding each number to the nearest 10: ______
- Estimate 77 + 63 by rounding each number to the nearest 10: ______