Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 − 69 by rounding each number to the nearest 10: ______
- Estimate 35 + 55 by rounding each number to the nearest 10: ______
- Estimate 76 − 33 by rounding each number to the nearest 10: ______
- Estimate 62 − 54 by rounding each number to the nearest 10: ______
- Estimate 23 − 64 by rounding each number to the nearest 10: ______
- Estimate 22 + 40 by rounding each number to the nearest 10: ______
- Estimate 80 + 61 by rounding each number to the nearest 10: ______
- Estimate 78 + 81 by rounding each number to the nearest 10: ______
- Estimate 88 + 39 by rounding each number to the nearest 10: ______
- Estimate 57 + 69 by rounding each number to the nearest 10: ______
- Estimate 88 − 49 by rounding each number to the nearest 10: ______
- Estimate 25 + 22 by rounding each number to the nearest 10: ______
- Estimate 80 − 73 by rounding each number to the nearest 10: ______
- Estimate 76 + 42 by rounding each number to the nearest 10: ______
- Estimate 23 − 79 by rounding each number to the nearest 10: ______
- Estimate 61 + 80 by rounding each number to the nearest 10: ______
- Estimate 46 + 28 by rounding each number to the nearest 10: ______
- Estimate 86 + 22 by rounding each number to the nearest 10: ______
- Estimate 48 − 55 by rounding each number to the nearest 10: ______
- Estimate 21 + 28 by rounding each number to the nearest 10: ______