Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 + 23 by rounding each number to the nearest 10: ______
- Estimate 42 − 37 by rounding each number to the nearest 10: ______
- Estimate 77 + 86 by rounding each number to the nearest 10: ______
- Estimate 67 − 73 by rounding each number to the nearest 10: ______
- Estimate 21 − 43 by rounding each number to the nearest 10: ______
- Estimate 37 − 35 by rounding each number to the nearest 10: ______
- Estimate 62 + 73 by rounding each number to the nearest 10: ______
- Estimate 22 − 21 by rounding each number to the nearest 10: ______
- Estimate 47 + 73 by rounding each number to the nearest 10: ______
- Estimate 70 − 87 by rounding each number to the nearest 10: ______
- Estimate 37 + 77 by rounding each number to the nearest 10: ______
- Estimate 21 + 67 by rounding each number to the nearest 10: ______
- Estimate 41 − 80 by rounding each number to the nearest 10: ______
- Estimate 55 + 47 by rounding each number to the nearest 10: ______
- Estimate 88 − 52 by rounding each number to the nearest 10: ______
- Estimate 51 + 30 by rounding each number to the nearest 10: ______
- Estimate 67 + 52 by rounding each number to the nearest 10: ______
- Estimate 60 − 61 by rounding each number to the nearest 10: ______
- Estimate 46 + 33 by rounding each number to the nearest 10: ______
- Estimate 61 − 31 by rounding each number to the nearest 10: ______