Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 88 − 29 by rounding each number to the nearest 10: ______
- Estimate 24 + 86 by rounding each number to the nearest 10: ______
- Estimate 30 + 76 by rounding each number to the nearest 10: ______
- Estimate 50 − 72 by rounding each number to the nearest 10: ______
- Estimate 76 − 51 by rounding each number to the nearest 10: ______
- Estimate 83 − 65 by rounding each number to the nearest 10: ______
- Estimate 27 + 66 by rounding each number to the nearest 10: ______
- Estimate 31 − 66 by rounding each number to the nearest 10: ______
- Estimate 72 + 49 by rounding each number to the nearest 10: ______
- Estimate 77 + 68 by rounding each number to the nearest 10: ______
- Estimate 77 + 72 by rounding each number to the nearest 10: ______
- Estimate 32 + 28 by rounding each number to the nearest 10: ______
- Estimate 61 − 56 by rounding each number to the nearest 10: ______
- Estimate 71 − 74 by rounding each number to the nearest 10: ______
- Estimate 79 + 31 by rounding each number to the nearest 10: ______
- Estimate 28 + 79 by rounding each number to the nearest 10: ______
- Estimate 40 + 88 by rounding each number to the nearest 10: ______
- Estimate 39 + 64 by rounding each number to the nearest 10: ______
- Estimate 78 − 67 by rounding each number to the nearest 10: ______
- Estimate 68 + 67 by rounding each number to the nearest 10: ______