Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 25 by rounding each number to the nearest 10: ______
- Estimate 78 − 79 by rounding each number to the nearest 10: ______
- Estimate 49 − 38 by rounding each number to the nearest 10: ______
- Estimate 79 − 72 by rounding each number to the nearest 10: ______
- Estimate 50 + 69 by rounding each number to the nearest 10: ______
- Estimate 64 − 39 by rounding each number to the nearest 10: ______
- Estimate 35 + 38 by rounding each number to the nearest 10: ______
- Estimate 26 − 51 by rounding each number to the nearest 10: ______
- Estimate 55 + 33 by rounding each number to the nearest 10: ______
- Estimate 74 − 34 by rounding each number to the nearest 10: ______
- Estimate 57 + 33 by rounding each number to the nearest 10: ______
- Estimate 44 + 61 by rounding each number to the nearest 10: ______
- Estimate 32 + 82 by rounding each number to the nearest 10: ______
- Estimate 87 − 77 by rounding each number to the nearest 10: ______
- Estimate 72 − 84 by rounding each number to the nearest 10: ______
- Estimate 33 − 34 by rounding each number to the nearest 10: ______
- Estimate 76 + 89 by rounding each number to the nearest 10: ______
- Estimate 54 + 31 by rounding each number to the nearest 10: ______
- Estimate 89 − 39 by rounding each number to the nearest 10: ______
- Estimate 28 + 36 by rounding each number to the nearest 10: ______