Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 26 by rounding each number to the nearest 10: ______
- Estimate 82 + 87 by rounding each number to the nearest 10: ______
- Estimate 50 + 43 by rounding each number to the nearest 10: ______
- Estimate 26 − 75 by rounding each number to the nearest 10: ______
- Estimate 86 + 67 by rounding each number to the nearest 10: ______
- Estimate 83 − 35 by rounding each number to the nearest 10: ______
- Estimate 21 + 21 by rounding each number to the nearest 10: ______
- Estimate 59 − 72 by rounding each number to the nearest 10: ______
- Estimate 64 − 37 by rounding each number to the nearest 10: ______
- Estimate 34 + 68 by rounding each number to the nearest 10: ______
- Estimate 34 − 64 by rounding each number to the nearest 10: ______
- Estimate 40 + 53 by rounding each number to the nearest 10: ______
- Estimate 44 + 25 by rounding each number to the nearest 10: ______
- Estimate 70 − 79 by rounding each number to the nearest 10: ______
- Estimate 27 − 39 by rounding each number to the nearest 10: ______
- Estimate 38 + 49 by rounding each number to the nearest 10: ______
- Estimate 78 + 76 by rounding each number to the nearest 10: ______
- Estimate 32 + 31 by rounding each number to the nearest 10: ______
- Estimate 67 − 39 by rounding each number to the nearest 10: ______
- Estimate 43 + 42 by rounding each number to the nearest 10: ______