Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 − 47 by rounding each number to the nearest 10: ______
- Estimate 32 − 81 by rounding each number to the nearest 10: ______
- Estimate 86 + 88 by rounding each number to the nearest 10: ______
- Estimate 34 − 85 by rounding each number to the nearest 10: ______
- Estimate 89 + 82 by rounding each number to the nearest 10: ______
- Estimate 44 − 85 by rounding each number to the nearest 10: ______
- Estimate 21 + 35 by rounding each number to the nearest 10: ______
- Estimate 83 − 34 by rounding each number to the nearest 10: ______
- Estimate 53 − 34 by rounding each number to the nearest 10: ______
- Estimate 62 + 31 by rounding each number to the nearest 10: ______
- Estimate 51 + 54 by rounding each number to the nearest 10: ______
- Estimate 59 + 84 by rounding each number to the nearest 10: ______
- Estimate 84 − 68 by rounding each number to the nearest 10: ______
- Estimate 68 − 33 by rounding each number to the nearest 10: ______
- Estimate 40 + 85 by rounding each number to the nearest 10: ______
- Estimate 36 + 44 by rounding each number to the nearest 10: ______
- Estimate 29 + 44 by rounding each number to the nearest 10: ______
- Estimate 52 + 85 by rounding each number to the nearest 10: ______
- Estimate 81 + 71 by rounding each number to the nearest 10: ______
- Estimate 57 − 42 by rounding each number to the nearest 10: ______