Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 + 72 by rounding each number to the nearest 10: ______
- Estimate 22 − 78 by rounding each number to the nearest 10: ______
- Estimate 42 − 71 by rounding each number to the nearest 10: ______
- Estimate 52 − 81 by rounding each number to the nearest 10: ______
- Estimate 52 − 27 by rounding each number to the nearest 10: ______
- Estimate 88 + 73 by rounding each number to the nearest 10: ______
- Estimate 32 − 82 by rounding each number to the nearest 10: ______
- Estimate 36 − 57 by rounding each number to the nearest 10: ______
- Estimate 36 − 39 by rounding each number to the nearest 10: ______
- Estimate 78 − 62 by rounding each number to the nearest 10: ______
- Estimate 89 + 56 by rounding each number to the nearest 10: ______
- Estimate 86 − 32 by rounding each number to the nearest 10: ______
- Estimate 73 − 46 by rounding each number to the nearest 10: ______
- Estimate 83 + 31 by rounding each number to the nearest 10: ______
- Estimate 67 − 31 by rounding each number to the nearest 10: ______
- Estimate 61 + 69 by rounding each number to the nearest 10: ______
- Estimate 67 − 66 by rounding each number to the nearest 10: ______
- Estimate 49 − 64 by rounding each number to the nearest 10: ______
- Estimate 39 + 77 by rounding each number to the nearest 10: ______
- Estimate 87 − 84 by rounding each number to the nearest 10: ______