Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 + 43 by rounding each number to the nearest 10: ______
- Estimate 84 − 88 by rounding each number to the nearest 10: ______
- Estimate 28 − 26 by rounding each number to the nearest 10: ______
- Estimate 74 − 45 by rounding each number to the nearest 10: ______
- Estimate 39 − 22 by rounding each number to the nearest 10: ______
- Estimate 65 + 77 by rounding each number to the nearest 10: ______
- Estimate 47 − 32 by rounding each number to the nearest 10: ______
- Estimate 23 + 37 by rounding each number to the nearest 10: ______
- Estimate 55 + 45 by rounding each number to the nearest 10: ______
- Estimate 52 − 69 by rounding each number to the nearest 10: ______
- Estimate 38 + 70 by rounding each number to the nearest 10: ______
- Estimate 50 + 53 by rounding each number to the nearest 10: ______
- Estimate 60 + 33 by rounding each number to the nearest 10: ______
- Estimate 74 + 60 by rounding each number to the nearest 10: ______
- Estimate 49 − 71 by rounding each number to the nearest 10: ______
- Estimate 47 + 57 by rounding each number to the nearest 10: ______
- Estimate 39 + 62 by rounding each number to the nearest 10: ______
- Estimate 62 − 35 by rounding each number to the nearest 10: ______
- Estimate 78 + 63 by rounding each number to the nearest 10: ______
- Estimate 87 − 40 by rounding each number to the nearest 10: ______