Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 + 32 by rounding each number to the nearest 10: ______
- Estimate 51 + 41 by rounding each number to the nearest 10: ______
- Estimate 64 − 77 by rounding each number to the nearest 10: ______
- Estimate 74 + 80 by rounding each number to the nearest 10: ______
- Estimate 75 + 36 by rounding each number to the nearest 10: ______
- Estimate 66 − 37 by rounding each number to the nearest 10: ______
- Estimate 76 − 47 by rounding each number to the nearest 10: ______
- Estimate 82 + 73 by rounding each number to the nearest 10: ______
- Estimate 34 + 22 by rounding each number to the nearest 10: ______
- Estimate 71 − 52 by rounding each number to the nearest 10: ______
- Estimate 81 − 56 by rounding each number to the nearest 10: ______
- Estimate 64 + 72 by rounding each number to the nearest 10: ______
- Estimate 29 − 88 by rounding each number to the nearest 10: ______
- Estimate 52 − 45 by rounding each number to the nearest 10: ______
- Estimate 33 − 80 by rounding each number to the nearest 10: ______
- Estimate 70 + 71 by rounding each number to the nearest 10: ______
- Estimate 37 + 25 by rounding each number to the nearest 10: ______
- Estimate 78 + 67 by rounding each number to the nearest 10: ______
- Estimate 51 + 62 by rounding each number to the nearest 10: ______
- Estimate 21 + 52 by rounding each number to the nearest 10: ______