Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 50 by rounding each number to the nearest 10: ______
- Estimate 63 + 71 by rounding each number to the nearest 10: ______
- Estimate 60 − 81 by rounding each number to the nearest 10: ______
- Estimate 81 − 77 by rounding each number to the nearest 10: ______
- Estimate 37 − 27 by rounding each number to the nearest 10: ______
- Estimate 75 − 51 by rounding each number to the nearest 10: ______
- Estimate 46 + 44 by rounding each number to the nearest 10: ______
- Estimate 38 + 28 by rounding each number to the nearest 10: ______
- Estimate 78 − 59 by rounding each number to the nearest 10: ______
- Estimate 55 + 89 by rounding each number to the nearest 10: ______
- Estimate 26 + 83 by rounding each number to the nearest 10: ______
- Estimate 39 − 58 by rounding each number to the nearest 10: ______
- Estimate 27 + 21 by rounding each number to the nearest 10: ______
- Estimate 54 + 38 by rounding each number to the nearest 10: ______
- Estimate 28 − 53 by rounding each number to the nearest 10: ______
- Estimate 32 + 78 by rounding each number to the nearest 10: ______
- Estimate 42 − 25 by rounding each number to the nearest 10: ______
- Estimate 70 − 86 by rounding each number to the nearest 10: ______
- Estimate 51 − 36 by rounding each number to the nearest 10: ______
- Estimate 56 − 61 by rounding each number to the nearest 10: ______