Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 − 27 by rounding each number to the nearest 10: ______
- Estimate 30 − 64 by rounding each number to the nearest 10: ______
- Estimate 57 + 38 by rounding each number to the nearest 10: ______
- Estimate 50 + 85 by rounding each number to the nearest 10: ______
- Estimate 51 − 51 by rounding each number to the nearest 10: ______
- Estimate 73 + 78 by rounding each number to the nearest 10: ______
- Estimate 29 − 45 by rounding each number to the nearest 10: ______
- Estimate 22 − 49 by rounding each number to the nearest 10: ______
- Estimate 81 + 22 by rounding each number to the nearest 10: ______
- Estimate 67 − 86 by rounding each number to the nearest 10: ______
- Estimate 29 − 44 by rounding each number to the nearest 10: ______
- Estimate 87 + 39 by rounding each number to the nearest 10: ______
- Estimate 73 + 25 by rounding each number to the nearest 10: ______
- Estimate 49 − 82 by rounding each number to the nearest 10: ______
- Estimate 83 − 24 by rounding each number to the nearest 10: ______
- Estimate 49 − 59 by rounding each number to the nearest 10: ______
- Estimate 42 − 52 by rounding each number to the nearest 10: ______
- Estimate 77 − 73 by rounding each number to the nearest 10: ______
- Estimate 34 − 36 by rounding each number to the nearest 10: ______
- Estimate 83 + 25 by rounding each number to the nearest 10: ______