Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 + 65 by rounding each number to the nearest 10: ______
- Estimate 69 + 73 by rounding each number to the nearest 10: ______
- Estimate 58 + 51 by rounding each number to the nearest 10: ______
- Estimate 33 − 57 by rounding each number to the nearest 10: ______
- Estimate 23 + 41 by rounding each number to the nearest 10: ______
- Estimate 43 − 63 by rounding each number to the nearest 10: ______
- Estimate 87 + 44 by rounding each number to the nearest 10: ______
- Estimate 83 + 50 by rounding each number to the nearest 10: ______
- Estimate 33 + 45 by rounding each number to the nearest 10: ______
- Estimate 82 − 74 by rounding each number to the nearest 10: ______
- Estimate 71 − 47 by rounding each number to the nearest 10: ______
- Estimate 75 + 87 by rounding each number to the nearest 10: ______
- Estimate 52 − 63 by rounding each number to the nearest 10: ______
- Estimate 77 + 22 by rounding each number to the nearest 10: ______
- Estimate 74 + 23 by rounding each number to the nearest 10: ______
- Estimate 47 − 44 by rounding each number to the nearest 10: ______
- Estimate 52 − 72 by rounding each number to the nearest 10: ______
- Estimate 52 + 42 by rounding each number to the nearest 10: ______
- Estimate 26 + 81 by rounding each number to the nearest 10: ______
- Estimate 65 − 63 by rounding each number to the nearest 10: ______