Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 + 36 by rounding each number to the nearest 10: ______
- Estimate 77 + 23 by rounding each number to the nearest 10: ______
- Estimate 22 − 56 by rounding each number to the nearest 10: ______
- Estimate 81 + 62 by rounding each number to the nearest 10: ______
- Estimate 83 − 28 by rounding each number to the nearest 10: ______
- Estimate 40 − 56 by rounding each number to the nearest 10: ______
- Estimate 89 − 47 by rounding each number to the nearest 10: ______
- Estimate 57 − 63 by rounding each number to the nearest 10: ______
- Estimate 72 − 54 by rounding each number to the nearest 10: ______
- Estimate 64 + 64 by rounding each number to the nearest 10: ______
- Estimate 67 − 69 by rounding each number to the nearest 10: ______
- Estimate 77 + 52 by rounding each number to the nearest 10: ______
- Estimate 40 − 77 by rounding each number to the nearest 10: ______
- Estimate 67 + 25 by rounding each number to the nearest 10: ______
- Estimate 89 + 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 40 by rounding each number to the nearest 10: ______
- Estimate 72 + 61 by rounding each number to the nearest 10: ______
- Estimate 22 + 71 by rounding each number to the nearest 10: ______
- Estimate 26 − 21 by rounding each number to the nearest 10: ______
- Estimate 33 + 56 by rounding each number to the nearest 10: ______