Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 24 + 80 by rounding each number to the nearest 10: ______
- Estimate 84 + 76 by rounding each number to the nearest 10: ______
- Estimate 46 − 21 by rounding each number to the nearest 10: ______
- Estimate 87 − 52 by rounding each number to the nearest 10: ______
- Estimate 88 − 69 by rounding each number to the nearest 10: ______
- Estimate 44 − 64 by rounding each number to the nearest 10: ______
- Estimate 86 + 50 by rounding each number to the nearest 10: ______
- Estimate 47 + 71 by rounding each number to the nearest 10: ______
- Estimate 83 − 26 by rounding each number to the nearest 10: ______
- Estimate 44 − 61 by rounding each number to the nearest 10: ______
- Estimate 80 − 40 by rounding each number to the nearest 10: ______
- Estimate 58 + 68 by rounding each number to the nearest 10: ______
- Estimate 86 + 39 by rounding each number to the nearest 10: ______
- Estimate 86 + 60 by rounding each number to the nearest 10: ______
- Estimate 79 + 46 by rounding each number to the nearest 10: ______
- Estimate 24 − 30 by rounding each number to the nearest 10: ______
- Estimate 21 − 85 by rounding each number to the nearest 10: ______
- Estimate 31 − 50 by rounding each number to the nearest 10: ______
- Estimate 82 + 77 by rounding each number to the nearest 10: ______
- Estimate 89 − 42 by rounding each number to the nearest 10: ______