Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 + 39 by rounding each number to the nearest 10: ______
- Estimate 47 − 72 by rounding each number to the nearest 10: ______
- Estimate 77 + 66 by rounding each number to the nearest 10: ______
- Estimate 36 − 88 by rounding each number to the nearest 10: ______
- Estimate 68 + 35 by rounding each number to the nearest 10: ______
- Estimate 21 + 82 by rounding each number to the nearest 10: ______
- Estimate 71 − 32 by rounding each number to the nearest 10: ______
- Estimate 48 − 62 by rounding each number to the nearest 10: ______
- Estimate 43 − 41 by rounding each number to the nearest 10: ______
- Estimate 50 + 64 by rounding each number to the nearest 10: ______
- Estimate 70 + 29 by rounding each number to the nearest 10: ______
- Estimate 78 + 75 by rounding each number to the nearest 10: ______
- Estimate 60 + 42 by rounding each number to the nearest 10: ______
- Estimate 51 − 69 by rounding each number to the nearest 10: ______
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 57 − 28 by rounding each number to the nearest 10: ______
- Estimate 81 + 50 by rounding each number to the nearest 10: ______
- Estimate 60 + 26 by rounding each number to the nearest 10: ______
- Estimate 75 − 67 by rounding each number to the nearest 10: ______
- Estimate 58 − 45 by rounding each number to the nearest 10: ______