Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 − 68 by rounding each number to the nearest 10: ______
- Estimate 79 − 27 by rounding each number to the nearest 10: ______
- Estimate 81 + 62 by rounding each number to the nearest 10: ______
- Estimate 44 − 58 by rounding each number to the nearest 10: ______
- Estimate 77 − 68 by rounding each number to the nearest 10: ______
- Estimate 47 + 30 by rounding each number to the nearest 10: ______
- Estimate 52 − 25 by rounding each number to the nearest 10: ______
- Estimate 61 + 89 by rounding each number to the nearest 10: ______
- Estimate 25 − 55 by rounding each number to the nearest 10: ______
- Estimate 55 − 46 by rounding each number to the nearest 10: ______
- Estimate 71 − 81 by rounding each number to the nearest 10: ______
- Estimate 77 − 27 by rounding each number to the nearest 10: ______
- Estimate 41 − 29 by rounding each number to the nearest 10: ______
- Estimate 54 + 42 by rounding each number to the nearest 10: ______
- Estimate 86 − 55 by rounding each number to the nearest 10: ______
- Estimate 85 − 77 by rounding each number to the nearest 10: ______
- Estimate 82 − 76 by rounding each number to the nearest 10: ______
- Estimate 88 + 40 by rounding each number to the nearest 10: ______
- Estimate 22 + 74 by rounding each number to the nearest 10: ______
- Estimate 38 − 22 by rounding each number to the nearest 10: ______