Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 − 39 by rounding each number to the nearest 10: ______
- Estimate 73 + 75 by rounding each number to the nearest 10: ______
- Estimate 69 − 43 by rounding each number to the nearest 10: ______
- Estimate 62 + 51 by rounding each number to the nearest 10: ______
- Estimate 45 + 56 by rounding each number to the nearest 10: ______
- Estimate 68 − 40 by rounding each number to the nearest 10: ______
- Estimate 52 + 47 by rounding each number to the nearest 10: ______
- Estimate 73 + 77 by rounding each number to the nearest 10: ______
- Estimate 50 − 31 by rounding each number to the nearest 10: ______
- Estimate 30 − 87 by rounding each number to the nearest 10: ______
- Estimate 39 − 37 by rounding each number to the nearest 10: ______
- Estimate 66 − 85 by rounding each number to the nearest 10: ______
- Estimate 88 − 30 by rounding each number to the nearest 10: ______
- Estimate 75 − 23 by rounding each number to the nearest 10: ______
- Estimate 32 − 22 by rounding each number to the nearest 10: ______
- Estimate 35 − 47 by rounding each number to the nearest 10: ______
- Estimate 71 + 27 by rounding each number to the nearest 10: ______
- Estimate 75 − 44 by rounding each number to the nearest 10: ______
- Estimate 65 + 39 by rounding each number to the nearest 10: ______
- Estimate 87 + 55 by rounding each number to the nearest 10: ______