Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 78 by rounding each number to the nearest 10: ______
- Estimate 57 + 37 by rounding each number to the nearest 10: ______
- Estimate 30 − 27 by rounding each number to the nearest 10: ______
- Estimate 47 + 34 by rounding each number to the nearest 10: ______
- Estimate 43 − 32 by rounding each number to the nearest 10: ______
- Estimate 51 − 62 by rounding each number to the nearest 10: ______
- Estimate 66 + 62 by rounding each number to the nearest 10: ______
- Estimate 54 + 73 by rounding each number to the nearest 10: ______
- Estimate 29 − 56 by rounding each number to the nearest 10: ______
- Estimate 51 − 25 by rounding each number to the nearest 10: ______
- Estimate 53 + 26 by rounding each number to the nearest 10: ______
- Estimate 64 + 87 by rounding each number to the nearest 10: ______
- Estimate 81 − 66 by rounding each number to the nearest 10: ______
- Estimate 24 + 63 by rounding each number to the nearest 10: ______
- Estimate 50 − 38 by rounding each number to the nearest 10: ______
- Estimate 75 − 56 by rounding each number to the nearest 10: ______
- Estimate 23 + 42 by rounding each number to the nearest 10: ______
- Estimate 53 − 76 by rounding each number to the nearest 10: ______
- Estimate 38 + 67 by rounding each number to the nearest 10: ______
- Estimate 82 + 67 by rounding each number to the nearest 10: ______