Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 + 38 by rounding each number to the nearest 10: ______
- Estimate 73 − 76 by rounding each number to the nearest 10: ______
- Estimate 47 + 70 by rounding each number to the nearest 10: ______
- Estimate 23 + 85 by rounding each number to the nearest 10: ______
- Estimate 28 + 21 by rounding each number to the nearest 10: ______
- Estimate 34 + 49 by rounding each number to the nearest 10: ______
- Estimate 23 − 22 by rounding each number to the nearest 10: ______
- Estimate 33 + 63 by rounding each number to the nearest 10: ______
- Estimate 60 + 87 by rounding each number to the nearest 10: ______
- Estimate 47 + 26 by rounding each number to the nearest 10: ______
- Estimate 88 − 32 by rounding each number to the nearest 10: ______
- Estimate 69 + 51 by rounding each number to the nearest 10: ______
- Estimate 42 + 45 by rounding each number to the nearest 10: ______
- Estimate 39 − 88 by rounding each number to the nearest 10: ______
- Estimate 58 − 66 by rounding each number to the nearest 10: ______
- Estimate 63 + 61 by rounding each number to the nearest 10: ______
- Estimate 21 + 21 by rounding each number to the nearest 10: ______
- Estimate 86 − 42 by rounding each number to the nearest 10: ______
- Estimate 21 + 38 by rounding each number to the nearest 10: ______
- Estimate 25 − 79 by rounding each number to the nearest 10: ______