Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 59 + 78 by rounding each number to the nearest 10: ______
- Estimate 28 + 40 by rounding each number to the nearest 10: ______
- Estimate 45 + 79 by rounding each number to the nearest 10: ______
- Estimate 36 + 71 by rounding each number to the nearest 10: ______
- Estimate 38 − 74 by rounding each number to the nearest 10: ______
- Estimate 86 − 26 by rounding each number to the nearest 10: ______
- Estimate 59 + 54 by rounding each number to the nearest 10: ______
- Estimate 81 − 52 by rounding each number to the nearest 10: ______
- Estimate 33 + 86 by rounding each number to the nearest 10: ______
- Estimate 21 + 68 by rounding each number to the nearest 10: ______
- Estimate 23 − 31 by rounding each number to the nearest 10: ______
- Estimate 34 + 60 by rounding each number to the nearest 10: ______
- Estimate 48 + 25 by rounding each number to the nearest 10: ______
- Estimate 55 + 23 by rounding each number to the nearest 10: ______
- Estimate 61 + 33 by rounding each number to the nearest 10: ______
- Estimate 87 + 50 by rounding each number to the nearest 10: ______
- Estimate 83 − 57 by rounding each number to the nearest 10: ______
- Estimate 56 + 38 by rounding each number to the nearest 10: ______
- Estimate 79 + 81 by rounding each number to the nearest 10: ______
- Estimate 64 + 89 by rounding each number to the nearest 10: ______