Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 − 83 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______
- Estimate 33 + 72 by rounding each number to the nearest 10: ______
- Estimate 78 + 82 by rounding each number to the nearest 10: ______
- Estimate 57 − 77 by rounding each number to the nearest 10: ______
- Estimate 81 − 47 by rounding each number to the nearest 10: ______
- Estimate 55 − 30 by rounding each number to the nearest 10: ______
- Estimate 68 − 38 by rounding each number to the nearest 10: ______
- Estimate 33 − 37 by rounding each number to the nearest 10: ______
- Estimate 82 + 37 by rounding each number to the nearest 10: ______
- Estimate 66 − 60 by rounding each number to the nearest 10: ______
- Estimate 58 + 73 by rounding each number to the nearest 10: ______
- Estimate 72 + 61 by rounding each number to the nearest 10: ______
- Estimate 74 + 88 by rounding each number to the nearest 10: ______
- Estimate 42 + 33 by rounding each number to the nearest 10: ______
- Estimate 69 + 88 by rounding each number to the nearest 10: ______
- Estimate 66 + 43 by rounding each number to the nearest 10: ______
- Estimate 33 − 34 by rounding each number to the nearest 10: ______
- Estimate 74 + 36 by rounding each number to the nearest 10: ______
- Estimate 69 − 78 by rounding each number to the nearest 10: ______