Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 + 68 by rounding each number to the nearest 10: ______
- Estimate 78 + 84 by rounding each number to the nearest 10: ______
- Estimate 30 + 63 by rounding each number to the nearest 10: ______
- Estimate 47 − 42 by rounding each number to the nearest 10: ______
- Estimate 21 − 38 by rounding each number to the nearest 10: ______
- Estimate 21 − 35 by rounding each number to the nearest 10: ______
- Estimate 59 − 63 by rounding each number to the nearest 10: ______
- Estimate 68 − 40 by rounding each number to the nearest 10: ______
- Estimate 45 + 88 by rounding each number to the nearest 10: ______
- Estimate 52 − 69 by rounding each number to the nearest 10: ______
- Estimate 50 + 32 by rounding each number to the nearest 10: ______
- Estimate 83 + 80 by rounding each number to the nearest 10: ______
- Estimate 89 + 63 by rounding each number to the nearest 10: ______
- Estimate 65 − 40 by rounding each number to the nearest 10: ______
- Estimate 73 − 38 by rounding each number to the nearest 10: ______
- Estimate 54 + 83 by rounding each number to the nearest 10: ______
- Estimate 77 + 25 by rounding each number to the nearest 10: ______
- Estimate 30 + 46 by rounding each number to the nearest 10: ______
- Estimate 71 + 68 by rounding each number to the nearest 10: ______
- Estimate 34 + 77 by rounding each number to the nearest 10: ______