Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 + 56 by rounding each number to the nearest 10: ______
- Estimate 30 + 68 by rounding each number to the nearest 10: ______
- Estimate 61 − 43 by rounding each number to the nearest 10: ______
- Estimate 84 + 55 by rounding each number to the nearest 10: ______
- Estimate 74 − 42 by rounding each number to the nearest 10: ______
- Estimate 83 − 85 by rounding each number to the nearest 10: ______
- Estimate 66 + 66 by rounding each number to the nearest 10: ______
- Estimate 57 − 35 by rounding each number to the nearest 10: ______
- Estimate 73 − 42 by rounding each number to the nearest 10: ______
- Estimate 26 − 63 by rounding each number to the nearest 10: ______
- Estimate 59 + 60 by rounding each number to the nearest 10: ______
- Estimate 84 + 89 by rounding each number to the nearest 10: ______
- Estimate 84 + 56 by rounding each number to the nearest 10: ______
- Estimate 81 + 62 by rounding each number to the nearest 10: ______
- Estimate 24 + 86 by rounding each number to the nearest 10: ______
- Estimate 54 − 39 by rounding each number to the nearest 10: ______
- Estimate 54 − 50 by rounding each number to the nearest 10: ______
- Estimate 47 + 66 by rounding each number to the nearest 10: ______
- Estimate 58 + 79 by rounding each number to the nearest 10: ______
- Estimate 57 − 86 by rounding each number to the nearest 10: ______