Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 55 by rounding each number to the nearest 10: ______
- Estimate 29 + 46 by rounding each number to the nearest 10: ______
- Estimate 54 − 45 by rounding each number to the nearest 10: ______
- Estimate 26 − 31 by rounding each number to the nearest 10: ______
- Estimate 68 + 26 by rounding each number to the nearest 10: ______
- Estimate 71 + 59 by rounding each number to the nearest 10: ______
- Estimate 38 − 79 by rounding each number to the nearest 10: ______
- Estimate 47 + 89 by rounding each number to the nearest 10: ______
- Estimate 73 + 89 by rounding each number to the nearest 10: ______
- Estimate 52 + 55 by rounding each number to the nearest 10: ______
- Estimate 80 + 82 by rounding each number to the nearest 10: ______
- Estimate 38 − 49 by rounding each number to the nearest 10: ______
- Estimate 36 − 41 by rounding each number to the nearest 10: ______
- Estimate 71 − 44 by rounding each number to the nearest 10: ______
- Estimate 23 + 51 by rounding each number to the nearest 10: ______
- Estimate 62 − 29 by rounding each number to the nearest 10: ______
- Estimate 68 + 64 by rounding each number to the nearest 10: ______
- Estimate 81 + 78 by rounding each number to the nearest 10: ______
- Estimate 48 − 89 by rounding each number to the nearest 10: ______
- Estimate 42 + 39 by rounding each number to the nearest 10: ______