Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 88 by rounding each number to the nearest 10: ______
- Estimate 89 − 81 by rounding each number to the nearest 10: ______
- Estimate 85 − 84 by rounding each number to the nearest 10: ______
- Estimate 64 + 49 by rounding each number to the nearest 10: ______
- Estimate 23 + 79 by rounding each number to the nearest 10: ______
- Estimate 50 − 52 by rounding each number to the nearest 10: ______
- Estimate 83 − 82 by rounding each number to the nearest 10: ______
- Estimate 84 + 82 by rounding each number to the nearest 10: ______
- Estimate 55 + 86 by rounding each number to the nearest 10: ______
- Estimate 72 + 43 by rounding each number to the nearest 10: ______
- Estimate 27 + 69 by rounding each number to the nearest 10: ______
- Estimate 32 − 82 by rounding each number to the nearest 10: ______
- Estimate 29 + 40 by rounding each number to the nearest 10: ______
- Estimate 50 + 39 by rounding each number to the nearest 10: ______
- Estimate 73 + 61 by rounding each number to the nearest 10: ______
- Estimate 57 + 29 by rounding each number to the nearest 10: ______
- Estimate 69 − 38 by rounding each number to the nearest 10: ______
- Estimate 72 − 73 by rounding each number to the nearest 10: ______
- Estimate 79 − 81 by rounding each number to the nearest 10: ______
- Estimate 84 + 73 by rounding each number to the nearest 10: ______