Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 81 by rounding each number to the nearest 10: ______
- Estimate 68 − 64 by rounding each number to the nearest 10: ______
- Estimate 39 + 33 by rounding each number to the nearest 10: ______
- Estimate 82 − 80 by rounding each number to the nearest 10: ______
- Estimate 29 + 43 by rounding each number to the nearest 10: ______
- Estimate 59 + 33 by rounding each number to the nearest 10: ______
- Estimate 56 + 25 by rounding each number to the nearest 10: ______
- Estimate 58 − 86 by rounding each number to the nearest 10: ______
- Estimate 47 − 31 by rounding each number to the nearest 10: ______
- Estimate 63 + 37 by rounding each number to the nearest 10: ______
- Estimate 84 − 86 by rounding each number to the nearest 10: ______
- Estimate 89 − 78 by rounding each number to the nearest 10: ______
- Estimate 73 − 62 by rounding each number to the nearest 10: ______
- Estimate 49 − 67 by rounding each number to the nearest 10: ______
- Estimate 48 − 84 by rounding each number to the nearest 10: ______
- Estimate 22 + 42 by rounding each number to the nearest 10: ______
- Estimate 38 − 44 by rounding each number to the nearest 10: ______
- Estimate 42 + 86 by rounding each number to the nearest 10: ______
- Estimate 59 + 42 by rounding each number to the nearest 10: ______
- Estimate 23 − 59 by rounding each number to the nearest 10: ______