Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 36 + 35 by rounding each number to the nearest 10: ______
- Estimate 32 + 72 by rounding each number to the nearest 10: ______
- Estimate 74 + 83 by rounding each number to the nearest 10: ______
- Estimate 68 − 67 by rounding each number to the nearest 10: ______
- Estimate 21 + 73 by rounding each number to the nearest 10: ______
- Estimate 38 − 72 by rounding each number to the nearest 10: ______
- Estimate 63 − 35 by rounding each number to the nearest 10: ______
- Estimate 23 + 77 by rounding each number to the nearest 10: ______
- Estimate 88 + 66 by rounding each number to the nearest 10: ______
- Estimate 28 − 61 by rounding each number to the nearest 10: ______
- Estimate 85 − 45 by rounding each number to the nearest 10: ______
- Estimate 25 − 37 by rounding each number to the nearest 10: ______
- Estimate 70 + 69 by rounding each number to the nearest 10: ______
- Estimate 61 + 27 by rounding each number to the nearest 10: ______
- Estimate 81 − 51 by rounding each number to the nearest 10: ______
- Estimate 49 + 75 by rounding each number to the nearest 10: ______
- Estimate 56 − 76 by rounding each number to the nearest 10: ______
- Estimate 74 + 33 by rounding each number to the nearest 10: ______
- Estimate 55 − 30 by rounding each number to the nearest 10: ______
- Estimate 77 − 35 by rounding each number to the nearest 10: ______