Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 84 by rounding each number to the nearest 10: ______
- Estimate 78 + 77 by rounding each number to the nearest 10: ______
- Estimate 49 + 33 by rounding each number to the nearest 10: ______
- Estimate 46 − 44 by rounding each number to the nearest 10: ______
- Estimate 70 + 78 by rounding each number to the nearest 10: ______
- Estimate 74 + 81 by rounding each number to the nearest 10: ______
- Estimate 38 − 64 by rounding each number to the nearest 10: ______
- Estimate 62 + 51 by rounding each number to the nearest 10: ______
- Estimate 37 − 42 by rounding each number to the nearest 10: ______
- Estimate 80 − 27 by rounding each number to the nearest 10: ______
- Estimate 48 − 64 by rounding each number to the nearest 10: ______
- Estimate 56 − 41 by rounding each number to the nearest 10: ______
- Estimate 78 + 70 by rounding each number to the nearest 10: ______
- Estimate 64 − 57 by rounding each number to the nearest 10: ______
- Estimate 89 − 28 by rounding each number to the nearest 10: ______
- Estimate 68 + 22 by rounding each number to the nearest 10: ______
- Estimate 35 + 86 by rounding each number to the nearest 10: ______
- Estimate 25 − 80 by rounding each number to the nearest 10: ______
- Estimate 50 − 54 by rounding each number to the nearest 10: ______
- Estimate 21 − 51 by rounding each number to the nearest 10: ______