Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 21 by rounding each number to the nearest 10: ______
- Estimate 56 − 55 by rounding each number to the nearest 10: ______
- Estimate 57 − 63 by rounding each number to the nearest 10: ______
- Estimate 50 − 75 by rounding each number to the nearest 10: ______
- Estimate 47 − 38 by rounding each number to the nearest 10: ______
- Estimate 42 − 86 by rounding each number to the nearest 10: ______
- Estimate 63 − 67 by rounding each number to the nearest 10: ______
- Estimate 39 + 23 by rounding each number to the nearest 10: ______
- Estimate 67 + 41 by rounding each number to the nearest 10: ______
- Estimate 66 − 72 by rounding each number to the nearest 10: ______
- Estimate 88 + 31 by rounding each number to the nearest 10: ______
- Estimate 49 − 50 by rounding each number to the nearest 10: ______
- Estimate 28 − 62 by rounding each number to the nearest 10: ______
- Estimate 34 + 44 by rounding each number to the nearest 10: ______
- Estimate 89 + 85 by rounding each number to the nearest 10: ______
- Estimate 43 + 86 by rounding each number to the nearest 10: ______
- Estimate 45 + 39 by rounding each number to the nearest 10: ______
- Estimate 68 − 79 by rounding each number to the nearest 10: ______
- Estimate 86 + 61 by rounding each number to the nearest 10: ______
- Estimate 72 − 72 by rounding each number to the nearest 10: ______