Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 − 36 by rounding each number to the nearest 10: ______
- Estimate 38 − 29 by rounding each number to the nearest 10: ______
- Estimate 67 + 80 by rounding each number to the nearest 10: ______
- Estimate 87 + 50 by rounding each number to the nearest 10: ______
- Estimate 47 − 51 by rounding each number to the nearest 10: ______
- Estimate 79 − 47 by rounding each number to the nearest 10: ______
- Estimate 88 + 63 by rounding each number to the nearest 10: ______
- Estimate 21 + 66 by rounding each number to the nearest 10: ______
- Estimate 23 − 26 by rounding each number to the nearest 10: ______
- Estimate 74 + 67 by rounding each number to the nearest 10: ______
- Estimate 31 − 74 by rounding each number to the nearest 10: ______
- Estimate 68 + 49 by rounding each number to the nearest 10: ______
- Estimate 25 − 59 by rounding each number to the nearest 10: ______
- Estimate 57 − 37 by rounding each number to the nearest 10: ______
- Estimate 40 + 78 by rounding each number to the nearest 10: ______
- Estimate 63 − 56 by rounding each number to the nearest 10: ______
- Estimate 34 − 88 by rounding each number to the nearest 10: ______
- Estimate 80 + 27 by rounding each number to the nearest 10: ______
- Estimate 36 + 52 by rounding each number to the nearest 10: ______
- Estimate 37 + 60 by rounding each number to the nearest 10: ______