Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 84 by rounding each number to the nearest 10: ______
- Estimate 72 − 58 by rounding each number to the nearest 10: ______
- Estimate 88 + 82 by rounding each number to the nearest 10: ______
- Estimate 57 + 32 by rounding each number to the nearest 10: ______
- Estimate 31 − 40 by rounding each number to the nearest 10: ______
- Estimate 31 − 38 by rounding each number to the nearest 10: ______
- Estimate 32 − 73 by rounding each number to the nearest 10: ______
- Estimate 65 + 68 by rounding each number to the nearest 10: ______
- Estimate 58 + 42 by rounding each number to the nearest 10: ______
- Estimate 77 + 82 by rounding each number to the nearest 10: ______
- Estimate 50 − 70 by rounding each number to the nearest 10: ______
- Estimate 56 + 81 by rounding each number to the nearest 10: ______
- Estimate 85 + 26 by rounding each number to the nearest 10: ______
- Estimate 66 + 21 by rounding each number to the nearest 10: ______
- Estimate 22 − 34 by rounding each number to the nearest 10: ______
- Estimate 43 + 69 by rounding each number to the nearest 10: ______
- Estimate 65 − 34 by rounding each number to the nearest 10: ______
- Estimate 79 + 24 by rounding each number to the nearest 10: ______
- Estimate 73 − 69 by rounding each number to the nearest 10: ______
- Estimate 73 − 85 by rounding each number to the nearest 10: ______