Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 24 + 63 by rounding each number to the nearest 10: ______
- Estimate 65 + 24 by rounding each number to the nearest 10: ______
- Estimate 51 + 33 by rounding each number to the nearest 10: ______
- Estimate 75 + 78 by rounding each number to the nearest 10: ______
- Estimate 66 − 23 by rounding each number to the nearest 10: ______
- Estimate 25 − 73 by rounding each number to the nearest 10: ______
- Estimate 27 − 71 by rounding each number to the nearest 10: ______
- Estimate 30 + 57 by rounding each number to the nearest 10: ______
- Estimate 72 + 35 by rounding each number to the nearest 10: ______
- Estimate 83 + 64 by rounding each number to the nearest 10: ______
- Estimate 40 − 33 by rounding each number to the nearest 10: ______
- Estimate 79 − 55 by rounding each number to the nearest 10: ______
- Estimate 77 − 41 by rounding each number to the nearest 10: ______
- Estimate 79 + 63 by rounding each number to the nearest 10: ______
- Estimate 87 − 49 by rounding each number to the nearest 10: ______
- Estimate 45 − 32 by rounding each number to the nearest 10: ______
- Estimate 87 − 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 76 by rounding each number to the nearest 10: ______
- Estimate 45 − 35 by rounding each number to the nearest 10: ______
- Estimate 72 + 34 by rounding each number to the nearest 10: ______