Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 79 by rounding each number to the nearest 10: ______
- Estimate 84 + 62 by rounding each number to the nearest 10: ______
- Estimate 40 + 87 by rounding each number to the nearest 10: ______
- Estimate 26 + 57 by rounding each number to the nearest 10: ______
- Estimate 45 + 23 by rounding each number to the nearest 10: ______
- Estimate 58 + 61 by rounding each number to the nearest 10: ______
- Estimate 79 − 57 by rounding each number to the nearest 10: ______
- Estimate 49 − 32 by rounding each number to the nearest 10: ______
- Estimate 47 − 48 by rounding each number to the nearest 10: ______
- Estimate 79 + 84 by rounding each number to the nearest 10: ______
- Estimate 56 − 44 by rounding each number to the nearest 10: ______
- Estimate 82 + 47 by rounding each number to the nearest 10: ______
- Estimate 56 − 74 by rounding each number to the nearest 10: ______
- Estimate 33 + 52 by rounding each number to the nearest 10: ______
- Estimate 73 − 44 by rounding each number to the nearest 10: ______
- Estimate 89 + 46 by rounding each number to the nearest 10: ______
- Estimate 40 − 52 by rounding each number to the nearest 10: ______
- Estimate 29 − 63 by rounding each number to the nearest 10: ______
- Estimate 68 − 84 by rounding each number to the nearest 10: ______
- Estimate 55 + 78 by rounding each number to the nearest 10: ______