Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 − 28 by rounding each number to the nearest 10: ______
- Estimate 67 + 52 by rounding each number to the nearest 10: ______
- Estimate 21 + 77 by rounding each number to the nearest 10: ______
- Estimate 40 − 79 by rounding each number to the nearest 10: ______
- Estimate 69 − 89 by rounding each number to the nearest 10: ______
- Estimate 46 + 55 by rounding each number to the nearest 10: ______
- Estimate 54 + 38 by rounding each number to the nearest 10: ______
- Estimate 87 − 55 by rounding each number to the nearest 10: ______
- Estimate 39 − 50 by rounding each number to the nearest 10: ______
- Estimate 47 + 52 by rounding each number to the nearest 10: ______
- Estimate 37 + 72 by rounding each number to the nearest 10: ______
- Estimate 88 − 24 by rounding each number to the nearest 10: ______
- Estimate 23 − 51 by rounding each number to the nearest 10: ______
- Estimate 31 − 89 by rounding each number to the nearest 10: ______
- Estimate 34 − 21 by rounding each number to the nearest 10: ______
- Estimate 64 + 78 by rounding each number to the nearest 10: ______
- Estimate 76 + 34 by rounding each number to the nearest 10: ______
- Estimate 35 + 35 by rounding each number to the nearest 10: ______
- Estimate 66 − 59 by rounding each number to the nearest 10: ______
- Estimate 37 + 61 by rounding each number to the nearest 10: ______