Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 + 80 by rounding each number to the nearest 10: ______
- Estimate 33 − 21 by rounding each number to the nearest 10: ______
- Estimate 80 − 69 by rounding each number to the nearest 10: ______
- Estimate 58 + 73 by rounding each number to the nearest 10: ______
- Estimate 72 − 57 by rounding each number to the nearest 10: ______
- Estimate 48 + 42 by rounding each number to the nearest 10: ______
- Estimate 71 + 49 by rounding each number to the nearest 10: ______
- Estimate 82 − 54 by rounding each number to the nearest 10: ______
- Estimate 60 + 53 by rounding each number to the nearest 10: ______
- Estimate 60 + 56 by rounding each number to the nearest 10: ______
- Estimate 84 − 51 by rounding each number to the nearest 10: ______
- Estimate 80 + 32 by rounding each number to the nearest 10: ______
- Estimate 79 + 39 by rounding each number to the nearest 10: ______
- Estimate 21 + 43 by rounding each number to the nearest 10: ______
- Estimate 29 − 30 by rounding each number to the nearest 10: ______
- Estimate 38 − 45 by rounding each number to the nearest 10: ______
- Estimate 64 − 80 by rounding each number to the nearest 10: ______
- Estimate 43 − 60 by rounding each number to the nearest 10: ______
- Estimate 53 + 47 by rounding each number to the nearest 10: ______
- Estimate 75 − 68 by rounding each number to the nearest 10: ______