Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 − 43 by rounding each number to the nearest 10: ______
- Estimate 50 − 83 by rounding each number to the nearest 10: ______
- Estimate 64 + 51 by rounding each number to the nearest 10: ______
- Estimate 76 + 25 by rounding each number to the nearest 10: ______
- Estimate 48 + 48 by rounding each number to the nearest 10: ______
- Estimate 71 − 24 by rounding each number to the nearest 10: ______
- Estimate 43 − 38 by rounding each number to the nearest 10: ______
- Estimate 56 − 44 by rounding each number to the nearest 10: ______
- Estimate 58 + 77 by rounding each number to the nearest 10: ______
- Estimate 46 − 89 by rounding each number to the nearest 10: ______
- Estimate 42 − 59 by rounding each number to the nearest 10: ______
- Estimate 39 − 38 by rounding each number to the nearest 10: ______
- Estimate 23 − 24 by rounding each number to the nearest 10: ______
- Estimate 32 + 53 by rounding each number to the nearest 10: ______
- Estimate 67 + 31 by rounding each number to the nearest 10: ______
- Estimate 50 + 64 by rounding each number to the nearest 10: ______
- Estimate 51 + 54 by rounding each number to the nearest 10: ______
- Estimate 64 − 81 by rounding each number to the nearest 10: ______
- Estimate 82 − 86 by rounding each number to the nearest 10: ______
- Estimate 68 + 58 by rounding each number to the nearest 10: ______