Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 25 by rounding each number to the nearest 10: ______
- Estimate 41 − 77 by rounding each number to the nearest 10: ______
- Estimate 24 + 74 by rounding each number to the nearest 10: ______
- Estimate 73 − 39 by rounding each number to the nearest 10: ______
- Estimate 42 + 55 by rounding each number to the nearest 10: ______
- Estimate 73 + 33 by rounding each number to the nearest 10: ______
- Estimate 52 − 41 by rounding each number to the nearest 10: ______
- Estimate 58 + 84 by rounding each number to the nearest 10: ______
- Estimate 84 + 45 by rounding each number to the nearest 10: ______
- Estimate 39 − 52 by rounding each number to the nearest 10: ______
- Estimate 34 + 78 by rounding each number to the nearest 10: ______
- Estimate 37 − 65 by rounding each number to the nearest 10: ______
- Estimate 86 + 21 by rounding each number to the nearest 10: ______
- Estimate 69 − 64 by rounding each number to the nearest 10: ______
- Estimate 87 − 36 by rounding each number to the nearest 10: ______
- Estimate 48 − 33 by rounding each number to the nearest 10: ______
- Estimate 46 + 55 by rounding each number to the nearest 10: ______
- Estimate 77 − 71 by rounding each number to the nearest 10: ______
- Estimate 47 + 30 by rounding each number to the nearest 10: ______
- Estimate 22 + 23 by rounding each number to the nearest 10: ______