Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 + 79 by rounding each number to the nearest 10: ______
- Estimate 22 + 39 by rounding each number to the nearest 10: ______
- Estimate 46 − 64 by rounding each number to the nearest 10: ______
- Estimate 51 + 52 by rounding each number to the nearest 10: ______
- Estimate 81 − 22 by rounding each number to the nearest 10: ______
- Estimate 56 − 43 by rounding each number to the nearest 10: ______
- Estimate 21 + 59 by rounding each number to the nearest 10: ______
- Estimate 65 − 21 by rounding each number to the nearest 10: ______
- Estimate 67 − 61 by rounding each number to the nearest 10: ______
- Estimate 47 + 54 by rounding each number to the nearest 10: ______
- Estimate 23 − 43 by rounding each number to the nearest 10: ______
- Estimate 75 + 69 by rounding each number to the nearest 10: ______
- Estimate 79 + 80 by rounding each number to the nearest 10: ______
- Estimate 38 − 72 by rounding each number to the nearest 10: ______
- Estimate 43 − 22 by rounding each number to the nearest 10: ______
- Estimate 76 − 40 by rounding each number to the nearest 10: ______
- Estimate 24 − 47 by rounding each number to the nearest 10: ______
- Estimate 76 − 87 by rounding each number to the nearest 10: ______
- Estimate 47 + 42 by rounding each number to the nearest 10: ______
- Estimate 88 − 43 by rounding each number to the nearest 10: ______