Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 21 by rounding each number to the nearest 10: ______
- Estimate 65 − 88 by rounding each number to the nearest 10: ______
- Estimate 59 − 23 by rounding each number to the nearest 10: ______
- Estimate 21 + 22 by rounding each number to the nearest 10: ______
- Estimate 79 − 44 by rounding each number to the nearest 10: ______
- Estimate 44 + 32 by rounding each number to the nearest 10: ______
- Estimate 78 + 79 by rounding each number to the nearest 10: ______
- Estimate 54 − 73 by rounding each number to the nearest 10: ______
- Estimate 55 − 44 by rounding each number to the nearest 10: ______
- Estimate 62 − 67 by rounding each number to the nearest 10: ______
- Estimate 88 + 27 by rounding each number to the nearest 10: ______
- Estimate 51 + 69 by rounding each number to the nearest 10: ______
- Estimate 76 + 58 by rounding each number to the nearest 10: ______
- Estimate 73 − 26 by rounding each number to the nearest 10: ______
- Estimate 76 − 80 by rounding each number to the nearest 10: ______
- Estimate 86 + 68 by rounding each number to the nearest 10: ______
- Estimate 84 − 76 by rounding each number to the nearest 10: ______
- Estimate 42 − 65 by rounding each number to the nearest 10: ______
- Estimate 24 − 66 by rounding each number to the nearest 10: ______
- Estimate 87 + 32 by rounding each number to the nearest 10: ______