Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 62 by rounding each number to the nearest 10: ______
- Estimate 38 + 41 by rounding each number to the nearest 10: ______
- Estimate 76 + 71 by rounding each number to the nearest 10: ______
- Estimate 43 − 27 by rounding each number to the nearest 10: ______
- Estimate 25 + 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 32 by rounding each number to the nearest 10: ______
- Estimate 83 + 46 by rounding each number to the nearest 10: ______
- Estimate 29 − 57 by rounding each number to the nearest 10: ______
- Estimate 49 − 31 by rounding each number to the nearest 10: ______
- Estimate 79 − 73 by rounding each number to the nearest 10: ______
- Estimate 42 − 21 by rounding each number to the nearest 10: ______
- Estimate 40 − 32 by rounding each number to the nearest 10: ______
- Estimate 39 + 83 by rounding each number to the nearest 10: ______
- Estimate 60 + 52 by rounding each number to the nearest 10: ______
- Estimate 68 − 37 by rounding each number to the nearest 10: ______
- Estimate 58 − 45 by rounding each number to the nearest 10: ______
- Estimate 67 + 78 by rounding each number to the nearest 10: ______
- Estimate 50 + 59 by rounding each number to the nearest 10: ______
- Estimate 25 − 67 by rounding each number to the nearest 10: ______
- Estimate 23 + 30 by rounding each number to the nearest 10: ______