Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 + 63 by rounding each number to the nearest 10: ______
- Estimate 64 + 71 by rounding each number to the nearest 10: ______
- Estimate 66 + 27 by rounding each number to the nearest 10: ______
- Estimate 24 + 36 by rounding each number to the nearest 10: ______
- Estimate 43 + 51 by rounding each number to the nearest 10: ______
- Estimate 75 + 26 by rounding each number to the nearest 10: ______
- Estimate 37 + 86 by rounding each number to the nearest 10: ______
- Estimate 21 − 82 by rounding each number to the nearest 10: ______
- Estimate 82 − 42 by rounding each number to the nearest 10: ______
- Estimate 40 − 23 by rounding each number to the nearest 10: ______
- Estimate 61 + 53 by rounding each number to the nearest 10: ______
- Estimate 69 + 85 by rounding each number to the nearest 10: ______
- Estimate 63 − 52 by rounding each number to the nearest 10: ______
- Estimate 37 + 80 by rounding each number to the nearest 10: ______
- Estimate 34 − 80 by rounding each number to the nearest 10: ______
- Estimate 44 + 73 by rounding each number to the nearest 10: ______
- Estimate 41 − 41 by rounding each number to the nearest 10: ______
- Estimate 25 − 24 by rounding each number to the nearest 10: ______
- Estimate 40 + 47 by rounding each number to the nearest 10: ______
- Estimate 45 − 43 by rounding each number to the nearest 10: ______