Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 67 by rounding each number to the nearest 10: ______
- Estimate 41 + 72 by rounding each number to the nearest 10: ______
- Estimate 54 + 24 by rounding each number to the nearest 10: ______
- Estimate 81 + 66 by rounding each number to the nearest 10: ______
- Estimate 73 − 75 by rounding each number to the nearest 10: ______
- Estimate 30 − 83 by rounding each number to the nearest 10: ______
- Estimate 28 + 42 by rounding each number to the nearest 10: ______
- Estimate 77 + 89 by rounding each number to the nearest 10: ______
- Estimate 78 − 47 by rounding each number to the nearest 10: ______
- Estimate 43 + 81 by rounding each number to the nearest 10: ______
- Estimate 87 + 51 by rounding each number to the nearest 10: ______
- Estimate 55 + 46 by rounding each number to the nearest 10: ______
- Estimate 73 − 62 by rounding each number to the nearest 10: ______
- Estimate 88 − 63 by rounding each number to the nearest 10: ______
- Estimate 38 + 74 by rounding each number to the nearest 10: ______
- Estimate 61 + 89 by rounding each number to the nearest 10: ______
- Estimate 38 − 37 by rounding each number to the nearest 10: ______
- Estimate 44 + 48 by rounding each number to the nearest 10: ______
- Estimate 31 + 43 by rounding each number to the nearest 10: ______
- Estimate 78 + 57 by rounding each number to the nearest 10: ______