Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 29 + 42 by rounding each number to the nearest 10: ______
- Estimate 69 + 54 by rounding each number to the nearest 10: ______
- Estimate 38 + 45 by rounding each number to the nearest 10: ______
- Estimate 53 − 47 by rounding each number to the nearest 10: ______
- Estimate 73 − 55 by rounding each number to the nearest 10: ______
- Estimate 48 − 61 by rounding each number to the nearest 10: ______
- Estimate 28 + 82 by rounding each number to the nearest 10: ______
- Estimate 58 + 69 by rounding each number to the nearest 10: ______
- Estimate 27 − 29 by rounding each number to the nearest 10: ______
- Estimate 51 + 59 by rounding each number to the nearest 10: ______
- Estimate 84 − 67 by rounding each number to the nearest 10: ______
- Estimate 40 + 34 by rounding each number to the nearest 10: ______
- Estimate 72 − 44 by rounding each number to the nearest 10: ______
- Estimate 21 + 80 by rounding each number to the nearest 10: ______
- Estimate 24 + 42 by rounding each number to the nearest 10: ______
- Estimate 28 + 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 51 by rounding each number to the nearest 10: ______
- Estimate 60 − 31 by rounding each number to the nearest 10: ______
- Estimate 80 + 27 by rounding each number to the nearest 10: ______
- Estimate 51 + 66 by rounding each number to the nearest 10: ______