Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 − 42 by rounding each number to the nearest 10: ______
- Estimate 77 − 60 by rounding each number to the nearest 10: ______
- Estimate 82 − 45 by rounding each number to the nearest 10: ______
- Estimate 86 − 32 by rounding each number to the nearest 10: ______
- Estimate 26 − 77 by rounding each number to the nearest 10: ______
- Estimate 79 − 82 by rounding each number to the nearest 10: ______
- Estimate 41 + 64 by rounding each number to the nearest 10: ______
- Estimate 71 − 62 by rounding each number to the nearest 10: ______
- Estimate 83 − 31 by rounding each number to the nearest 10: ______
- Estimate 88 − 80 by rounding each number to the nearest 10: ______
- Estimate 88 + 37 by rounding each number to the nearest 10: ______
- Estimate 66 + 61 by rounding each number to the nearest 10: ______
- Estimate 71 − 85 by rounding each number to the nearest 10: ______
- Estimate 43 + 24 by rounding each number to the nearest 10: ______
- Estimate 75 + 55 by rounding each number to the nearest 10: ______
- Estimate 79 − 47 by rounding each number to the nearest 10: ______
- Estimate 72 − 83 by rounding each number to the nearest 10: ______
- Estimate 41 + 38 by rounding each number to the nearest 10: ______
- Estimate 34 + 39 by rounding each number to the nearest 10: ______
- Estimate 81 + 71 by rounding each number to the nearest 10: ______