Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 45 by rounding each number to the nearest 10: ______
- Estimate 87 − 87 by rounding each number to the nearest 10: ______
- Estimate 28 − 78 by rounding each number to the nearest 10: ______
- Estimate 63 + 77 by rounding each number to the nearest 10: ______
- Estimate 50 − 22 by rounding each number to the nearest 10: ______
- Estimate 51 + 57 by rounding each number to the nearest 10: ______
- Estimate 79 + 83 by rounding each number to the nearest 10: ______
- Estimate 51 + 39 by rounding each number to the nearest 10: ______
- Estimate 75 − 84 by rounding each number to the nearest 10: ______
- Estimate 52 + 65 by rounding each number to the nearest 10: ______
- Estimate 62 + 54 by rounding each number to the nearest 10: ______
- Estimate 32 + 23 by rounding each number to the nearest 10: ______
- Estimate 74 − 76 by rounding each number to the nearest 10: ______
- Estimate 51 + 82 by rounding each number to the nearest 10: ______
- Estimate 61 + 21 by rounding each number to the nearest 10: ______
- Estimate 58 + 73 by rounding each number to the nearest 10: ______
- Estimate 26 + 72 by rounding each number to the nearest 10: ______
- Estimate 69 − 38 by rounding each number to the nearest 10: ______
- Estimate 88 + 43 by rounding each number to the nearest 10: ______
- Estimate 40 − 82 by rounding each number to the nearest 10: ______