Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 30 by rounding each number to the nearest 10: ______
- Estimate 27 + 60 by rounding each number to the nearest 10: ______
- Estimate 33 − 63 by rounding each number to the nearest 10: ______
- Estimate 81 + 47 by rounding each number to the nearest 10: ______
- Estimate 64 + 85 by rounding each number to the nearest 10: ______
- Estimate 61 + 48 by rounding each number to the nearest 10: ______
- Estimate 78 + 66 by rounding each number to the nearest 10: ______
- Estimate 64 − 45 by rounding each number to the nearest 10: ______
- Estimate 50 − 43 by rounding each number to the nearest 10: ______
- Estimate 25 + 44 by rounding each number to the nearest 10: ______
- Estimate 45 − 70 by rounding each number to the nearest 10: ______
- Estimate 34 − 43 by rounding each number to the nearest 10: ______
- Estimate 72 − 64 by rounding each number to the nearest 10: ______
- Estimate 40 + 23 by rounding each number to the nearest 10: ______
- Estimate 42 + 68 by rounding each number to the nearest 10: ______
- Estimate 26 − 44 by rounding each number to the nearest 10: ______
- Estimate 73 − 77 by rounding each number to the nearest 10: ______
- Estimate 21 + 41 by rounding each number to the nearest 10: ______
- Estimate 56 + 76 by rounding each number to the nearest 10: ______
- Estimate 78 − 75 by rounding each number to the nearest 10: ______