Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 − 36 by rounding each number to the nearest 10: ______
- Estimate 69 − 51 by rounding each number to the nearest 10: ______
- Estimate 25 − 63 by rounding each number to the nearest 10: ______
- Estimate 83 − 55 by rounding each number to the nearest 10: ______
- Estimate 50 − 34 by rounding each number to the nearest 10: ______
- Estimate 72 − 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 28 by rounding each number to the nearest 10: ______
- Estimate 60 + 43 by rounding each number to the nearest 10: ______
- Estimate 78 + 82 by rounding each number to the nearest 10: ______
- Estimate 77 − 80 by rounding each number to the nearest 10: ______
- Estimate 27 + 73 by rounding each number to the nearest 10: ______
- Estimate 72 + 23 by rounding each number to the nearest 10: ______
- Estimate 53 + 66 by rounding each number to the nearest 10: ______
- Estimate 81 + 73 by rounding each number to the nearest 10: ______
- Estimate 58 + 64 by rounding each number to the nearest 10: ______
- Estimate 68 + 69 by rounding each number to the nearest 10: ______
- Estimate 79 + 42 by rounding each number to the nearest 10: ______
- Estimate 86 − 48 by rounding each number to the nearest 10: ______
- Estimate 54 − 50 by rounding each number to the nearest 10: ______
- Estimate 25 − 64 by rounding each number to the nearest 10: ______