Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 + 58 by rounding each number to the nearest 10: ______
- Estimate 27 − 61 by rounding each number to the nearest 10: ______
- Estimate 53 + 71 by rounding each number to the nearest 10: ______
- Estimate 79 + 39 by rounding each number to the nearest 10: ______
- Estimate 59 − 69 by rounding each number to the nearest 10: ______
- Estimate 66 + 57 by rounding each number to the nearest 10: ______
- Estimate 28 − 21 by rounding each number to the nearest 10: ______
- Estimate 72 − 42 by rounding each number to the nearest 10: ______
- Estimate 86 + 43 by rounding each number to the nearest 10: ______
- Estimate 67 + 80 by rounding each number to the nearest 10: ______
- Estimate 86 − 47 by rounding each number to the nearest 10: ______
- Estimate 42 + 68 by rounding each number to the nearest 10: ______
- Estimate 22 − 37 by rounding each number to the nearest 10: ______
- Estimate 54 + 30 by rounding each number to the nearest 10: ______
- Estimate 76 + 34 by rounding each number to the nearest 10: ______
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 81 + 78 by rounding each number to the nearest 10: ______
- Estimate 82 + 73 by rounding each number to the nearest 10: ______
- Estimate 80 − 48 by rounding each number to the nearest 10: ______
- Estimate 70 + 89 by rounding each number to the nearest 10: ______