Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 + 38 by rounding each number to the nearest 10: ______
- Estimate 46 + 39 by rounding each number to the nearest 10: ______
- Estimate 77 + 58 by rounding each number to the nearest 10: ______
- Estimate 80 − 26 by rounding each number to the nearest 10: ______
- Estimate 31 − 67 by rounding each number to the nearest 10: ______
- Estimate 50 − 73 by rounding each number to the nearest 10: ______
- Estimate 27 − 81 by rounding each number to the nearest 10: ______
- Estimate 49 + 80 by rounding each number to the nearest 10: ______
- Estimate 58 − 71 by rounding each number to the nearest 10: ______
- Estimate 42 + 76 by rounding each number to the nearest 10: ______
- Estimate 68 + 75 by rounding each number to the nearest 10: ______
- Estimate 71 + 51 by rounding each number to the nearest 10: ______
- Estimate 24 + 66 by rounding each number to the nearest 10: ______
- Estimate 30 − 50 by rounding each number to the nearest 10: ______
- Estimate 44 − 47 by rounding each number to the nearest 10: ______
- Estimate 34 − 59 by rounding each number to the nearest 10: ______
- Estimate 52 − 68 by rounding each number to the nearest 10: ______
- Estimate 41 − 85 by rounding each number to the nearest 10: ______
- Estimate 84 + 86 by rounding each number to the nearest 10: ______
- Estimate 61 − 50 by rounding each number to the nearest 10: ______