Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 + 55 by rounding each number to the nearest 10: ______
- Estimate 67 + 72 by rounding each number to the nearest 10: ______
- Estimate 81 + 62 by rounding each number to the nearest 10: ______
- Estimate 43 − 82 by rounding each number to the nearest 10: ______
- Estimate 57 − 24 by rounding each number to the nearest 10: ______
- Estimate 27 − 74 by rounding each number to the nearest 10: ______
- Estimate 21 − 31 by rounding each number to the nearest 10: ______
- Estimate 67 + 74 by rounding each number to the nearest 10: ______
- Estimate 35 − 25 by rounding each number to the nearest 10: ______
- Estimate 77 − 42 by rounding each number to the nearest 10: ______
- Estimate 21 + 35 by rounding each number to the nearest 10: ______
- Estimate 44 − 70 by rounding each number to the nearest 10: ______
- Estimate 79 − 34 by rounding each number to the nearest 10: ______
- Estimate 41 − 77 by rounding each number to the nearest 10: ______
- Estimate 47 − 62 by rounding each number to the nearest 10: ______
- Estimate 52 + 84 by rounding each number to the nearest 10: ______
- Estimate 86 − 38 by rounding each number to the nearest 10: ______
- Estimate 67 − 79 by rounding each number to the nearest 10: ______
- Estimate 39 − 52 by rounding each number to the nearest 10: ______
- Estimate 71 + 42 by rounding each number to the nearest 10: ______