Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 + 33 by rounding each number to the nearest 10: ______
- Estimate 59 − 32 by rounding each number to the nearest 10: ______
- Estimate 42 + 84 by rounding each number to the nearest 10: ______
- Estimate 77 + 34 by rounding each number to the nearest 10: ______
- Estimate 40 − 23 by rounding each number to the nearest 10: ______
- Estimate 54 + 24 by rounding each number to the nearest 10: ______
- Estimate 52 + 40 by rounding each number to the nearest 10: ______
- Estimate 35 + 22 by rounding each number to the nearest 10: ______
- Estimate 75 + 71 by rounding each number to the nearest 10: ______
- Estimate 68 − 62 by rounding each number to the nearest 10: ______
- Estimate 28 − 47 by rounding each number to the nearest 10: ______
- Estimate 24 + 21 by rounding each number to the nearest 10: ______
- Estimate 78 + 35 by rounding each number to the nearest 10: ______
- Estimate 23 − 81 by rounding each number to the nearest 10: ______
- Estimate 51 + 58 by rounding each number to the nearest 10: ______
- Estimate 31 + 48 by rounding each number to the nearest 10: ______
- Estimate 50 − 68 by rounding each number to the nearest 10: ______
- Estimate 22 + 86 by rounding each number to the nearest 10: ______
- Estimate 45 + 74 by rounding each number to the nearest 10: ______
- Estimate 73 − 65 by rounding each number to the nearest 10: ______