Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 − 74 by rounding each number to the nearest 10: ______
- Estimate 54 − 88 by rounding each number to the nearest 10: ______
- Estimate 44 + 32 by rounding each number to the nearest 10: ______
- Estimate 44 + 51 by rounding each number to the nearest 10: ______
- Estimate 76 + 82 by rounding each number to the nearest 10: ______
- Estimate 74 + 78 by rounding each number to the nearest 10: ______
- Estimate 55 − 25 by rounding each number to the nearest 10: ______
- Estimate 52 + 44 by rounding each number to the nearest 10: ______
- Estimate 43 + 64 by rounding each number to the nearest 10: ______
- Estimate 56 − 32 by rounding each number to the nearest 10: ______
- Estimate 69 + 81 by rounding each number to the nearest 10: ______
- Estimate 42 + 24 by rounding each number to the nearest 10: ______
- Estimate 66 − 56 by rounding each number to the nearest 10: ______
- Estimate 73 + 22 by rounding each number to the nearest 10: ______
- Estimate 37 + 38 by rounding each number to the nearest 10: ______
- Estimate 78 + 43 by rounding each number to the nearest 10: ______
- Estimate 79 − 61 by rounding each number to the nearest 10: ______
- Estimate 51 − 39 by rounding each number to the nearest 10: ______
- Estimate 30 − 67 by rounding each number to the nearest 10: ______
- Estimate 51 − 40 by rounding each number to the nearest 10: ______