Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 76 by rounding each number to the nearest 10: ______
- Estimate 25 − 30 by rounding each number to the nearest 10: ______
- Estimate 79 + 54 by rounding each number to the nearest 10: ______
- Estimate 87 + 68 by rounding each number to the nearest 10: ______
- Estimate 32 + 89 by rounding each number to the nearest 10: ______
- Estimate 86 + 26 by rounding each number to the nearest 10: ______
- Estimate 40 − 78 by rounding each number to the nearest 10: ______
- Estimate 43 + 44 by rounding each number to the nearest 10: ______
- Estimate 44 + 82 by rounding each number to the nearest 10: ______
- Estimate 73 + 28 by rounding each number to the nearest 10: ______
- Estimate 32 + 69 by rounding each number to the nearest 10: ______
- Estimate 82 − 31 by rounding each number to the nearest 10: ______
- Estimate 74 + 31 by rounding each number to the nearest 10: ______
- Estimate 81 − 56 by rounding each number to the nearest 10: ______
- Estimate 89 + 77 by rounding each number to the nearest 10: ______
- Estimate 67 + 52 by rounding each number to the nearest 10: ______
- Estimate 80 − 57 by rounding each number to the nearest 10: ______
- Estimate 28 − 64 by rounding each number to the nearest 10: ______
- Estimate 74 − 27 by rounding each number to the nearest 10: ______
- Estimate 21 − 36 by rounding each number to the nearest 10: ______