Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 − 58 by rounding each number to the nearest 10: ______
- Estimate 70 − 59 by rounding each number to the nearest 10: ______
- Estimate 67 − 37 by rounding each number to the nearest 10: ______
- Estimate 62 − 71 by rounding each number to the nearest 10: ______
- Estimate 23 + 87 by rounding each number to the nearest 10: ______
- Estimate 31 + 51 by rounding each number to the nearest 10: ______
- Estimate 58 − 34 by rounding each number to the nearest 10: ______
- Estimate 21 + 44 by rounding each number to the nearest 10: ______
- Estimate 81 − 42 by rounding each number to the nearest 10: ______
- Estimate 82 − 52 by rounding each number to the nearest 10: ______
- Estimate 21 − 85 by rounding each number to the nearest 10: ______
- Estimate 83 − 86 by rounding each number to the nearest 10: ______
- Estimate 50 + 25 by rounding each number to the nearest 10: ______
- Estimate 88 + 24 by rounding each number to the nearest 10: ______
- Estimate 30 + 40 by rounding each number to the nearest 10: ______
- Estimate 85 − 38 by rounding each number to the nearest 10: ______
- Estimate 63 + 65 by rounding each number to the nearest 10: ______
- Estimate 89 + 80 by rounding each number to the nearest 10: ______
- Estimate 67 − 64 by rounding each number to the nearest 10: ______
- Estimate 28 + 88 by rounding each number to the nearest 10: ______