Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 21 by rounding each number to the nearest 10: ______
- Estimate 45 + 57 by rounding each number to the nearest 10: ______
- Estimate 77 + 51 by rounding each number to the nearest 10: ______
- Estimate 29 + 29 by rounding each number to the nearest 10: ______
- Estimate 68 − 30 by rounding each number to the nearest 10: ______
- Estimate 73 + 54 by rounding each number to the nearest 10: ______
- Estimate 64 + 31 by rounding each number to the nearest 10: ______
- Estimate 84 − 46 by rounding each number to the nearest 10: ______
- Estimate 30 + 78 by rounding each number to the nearest 10: ______
- Estimate 31 − 33 by rounding each number to the nearest 10: ______
- Estimate 44 + 37 by rounding each number to the nearest 10: ______
- Estimate 32 + 61 by rounding each number to the nearest 10: ______
- Estimate 24 − 54 by rounding each number to the nearest 10: ______
- Estimate 66 − 31 by rounding each number to the nearest 10: ______
- Estimate 56 − 55 by rounding each number to the nearest 10: ______
- Estimate 65 − 81 by rounding each number to the nearest 10: ______
- Estimate 61 − 57 by rounding each number to the nearest 10: ______
- Estimate 22 + 52 by rounding each number to the nearest 10: ______
- Estimate 27 − 61 by rounding each number to the nearest 10: ______
- Estimate 55 + 32 by rounding each number to the nearest 10: ______