Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 42 by rounding each number to the nearest 10: ______
- Estimate 88 − 88 by rounding each number to the nearest 10: ______
- Estimate 50 − 59 by rounding each number to the nearest 10: ______
- Estimate 68 + 53 by rounding each number to the nearest 10: ______
- Estimate 80 + 36 by rounding each number to the nearest 10: ______
- Estimate 31 + 77 by rounding each number to the nearest 10: ______
- Estimate 80 + 55 by rounding each number to the nearest 10: ______
- Estimate 52 + 68 by rounding each number to the nearest 10: ______
- Estimate 56 + 85 by rounding each number to the nearest 10: ______
- Estimate 36 + 41 by rounding each number to the nearest 10: ______
- Estimate 37 + 78 by rounding each number to the nearest 10: ______
- Estimate 25 − 71 by rounding each number to the nearest 10: ______
- Estimate 48 − 69 by rounding each number to the nearest 10: ______
- Estimate 57 + 70 by rounding each number to the nearest 10: ______
- Estimate 46 − 53 by rounding each number to the nearest 10: ______
- Estimate 32 + 72 by rounding each number to the nearest 10: ______
- Estimate 53 + 21 by rounding each number to the nearest 10: ______
- Estimate 40 + 47 by rounding each number to the nearest 10: ______
- Estimate 86 − 86 by rounding each number to the nearest 10: ______
- Estimate 46 + 81 by rounding each number to the nearest 10: ______