Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 + 81 by rounding each number to the nearest 10: ______
- Estimate 88 − 78 by rounding each number to the nearest 10: ______
- Estimate 33 − 74 by rounding each number to the nearest 10: ______
- Estimate 21 + 64 by rounding each number to the nearest 10: ______
- Estimate 24 − 86 by rounding each number to the nearest 10: ______
- Estimate 89 + 42 by rounding each number to the nearest 10: ______
- Estimate 50 − 51 by rounding each number to the nearest 10: ______
- Estimate 38 − 39 by rounding each number to the nearest 10: ______
- Estimate 63 + 38 by rounding each number to the nearest 10: ______
- Estimate 29 + 28 by rounding each number to the nearest 10: ______
- Estimate 81 + 56 by rounding each number to the nearest 10: ______
- Estimate 38 + 53 by rounding each number to the nearest 10: ______
- Estimate 65 − 55 by rounding each number to the nearest 10: ______
- Estimate 82 + 87 by rounding each number to the nearest 10: ______
- Estimate 22 − 39 by rounding each number to the nearest 10: ______
- Estimate 44 + 65 by rounding each number to the nearest 10: ______
- Estimate 61 + 44 by rounding each number to the nearest 10: ______
- Estimate 25 − 57 by rounding each number to the nearest 10: ______
- Estimate 23 + 68 by rounding each number to the nearest 10: ______
- Estimate 46 + 38 by rounding each number to the nearest 10: ______