Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 − 62 by rounding each number to the nearest 10: ______
- Estimate 30 + 22 by rounding each number to the nearest 10: ______
- Estimate 77 + 64 by rounding each number to the nearest 10: ______
- Estimate 67 − 82 by rounding each number to the nearest 10: ______
- Estimate 66 − 86 by rounding each number to the nearest 10: ______
- Estimate 60 + 23 by rounding each number to the nearest 10: ______
- Estimate 72 + 89 by rounding each number to the nearest 10: ______
- Estimate 66 − 36 by rounding each number to the nearest 10: ______
- Estimate 58 + 52 by rounding each number to the nearest 10: ______
- Estimate 50 + 56 by rounding each number to the nearest 10: ______
- Estimate 48 + 61 by rounding each number to the nearest 10: ______
- Estimate 42 + 42 by rounding each number to the nearest 10: ______
- Estimate 63 + 81 by rounding each number to the nearest 10: ______
- Estimate 57 − 52 by rounding each number to the nearest 10: ______
- Estimate 85 + 42 by rounding each number to the nearest 10: ______
- Estimate 73 − 25 by rounding each number to the nearest 10: ______
- Estimate 30 + 47 by rounding each number to the nearest 10: ______
- Estimate 45 − 65 by rounding each number to the nearest 10: ______
- Estimate 56 − 42 by rounding each number to the nearest 10: ______
- Estimate 76 − 61 by rounding each number to the nearest 10: ______