Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 37 − 23 by rounding each number to the nearest 10: ______
- Estimate 56 − 54 by rounding each number to the nearest 10: ______
- Estimate 72 − 48 by rounding each number to the nearest 10: ______
- Estimate 89 − 38 by rounding each number to the nearest 10: ______
- Estimate 22 + 33 by rounding each number to the nearest 10: ______
- Estimate 76 − 83 by rounding each number to the nearest 10: ______
- Estimate 81 + 35 by rounding each number to the nearest 10: ______
- Estimate 23 + 42 by rounding each number to the nearest 10: ______
- Estimate 48 − 64 by rounding each number to the nearest 10: ______
- Estimate 52 − 51 by rounding each number to the nearest 10: ______
- Estimate 77 − 77 by rounding each number to the nearest 10: ______
- Estimate 60 + 31 by rounding each number to the nearest 10: ______
- Estimate 43 − 31 by rounding each number to the nearest 10: ______
- Estimate 69 + 53 by rounding each number to the nearest 10: ______
- Estimate 71 + 81 by rounding each number to the nearest 10: ______
- Estimate 31 + 52 by rounding each number to the nearest 10: ______
- Estimate 45 − 26 by rounding each number to the nearest 10: ______
- Estimate 49 + 61 by rounding each number to the nearest 10: ______
- Estimate 21 − 38 by rounding each number to the nearest 10: ______
- Estimate 42 − 63 by rounding each number to the nearest 10: ______