Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 31 by rounding each number to the nearest 10: ______
- Estimate 42 + 31 by rounding each number to the nearest 10: ______
- Estimate 56 + 29 by rounding each number to the nearest 10: ______
- Estimate 70 + 79 by rounding each number to the nearest 10: ______
- Estimate 57 + 33 by rounding each number to the nearest 10: ______
- Estimate 37 − 27 by rounding each number to the nearest 10: ______
- Estimate 28 + 70 by rounding each number to the nearest 10: ______
- Estimate 33 + 36 by rounding each number to the nearest 10: ______
- Estimate 68 − 32 by rounding each number to the nearest 10: ______
- Estimate 50 + 66 by rounding each number to the nearest 10: ______
- Estimate 46 − 54 by rounding each number to the nearest 10: ______
- Estimate 23 − 79 by rounding each number to the nearest 10: ______
- Estimate 77 − 51 by rounding each number to the nearest 10: ______
- Estimate 22 + 21 by rounding each number to the nearest 10: ______
- Estimate 28 − 66 by rounding each number to the nearest 10: ______
- Estimate 61 − 38 by rounding each number to the nearest 10: ______
- Estimate 59 − 89 by rounding each number to the nearest 10: ______
- Estimate 49 + 29 by rounding each number to the nearest 10: ______
- Estimate 29 + 34 by rounding each number to the nearest 10: ______
- Estimate 75 − 67 by rounding each number to the nearest 10: ______