Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 22 by rounding each number to the nearest 10: ______
- Estimate 37 + 65 by rounding each number to the nearest 10: ______
- Estimate 87 − 67 by rounding each number to the nearest 10: ______
- Estimate 59 − 43 by rounding each number to the nearest 10: ______
- Estimate 55 − 28 by rounding each number to the nearest 10: ______
- Estimate 58 − 56 by rounding each number to the nearest 10: ______
- Estimate 83 − 62 by rounding each number to the nearest 10: ______
- Estimate 86 − 33 by rounding each number to the nearest 10: ______
- Estimate 34 + 55 by rounding each number to the nearest 10: ______
- Estimate 71 + 22 by rounding each number to the nearest 10: ______
- Estimate 87 + 30 by rounding each number to the nearest 10: ______
- Estimate 49 − 36 by rounding each number to the nearest 10: ______
- Estimate 37 + 79 by rounding each number to the nearest 10: ______
- Estimate 39 + 82 by rounding each number to the nearest 10: ______
- Estimate 32 + 81 by rounding each number to the nearest 10: ______
- Estimate 86 − 82 by rounding each number to the nearest 10: ______
- Estimate 63 + 37 by rounding each number to the nearest 10: ______
- Estimate 28 + 68 by rounding each number to the nearest 10: ______
- Estimate 52 + 87 by rounding each number to the nearest 10: ______
- Estimate 22 − 33 by rounding each number to the nearest 10: ______