Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 61 by rounding each number to the nearest 10: ______
- Estimate 67 + 30 by rounding each number to the nearest 10: ______
- Estimate 51 − 23 by rounding each number to the nearest 10: ______
- Estimate 83 + 58 by rounding each number to the nearest 10: ______
- Estimate 48 + 60 by rounding each number to the nearest 10: ______
- Estimate 83 − 46 by rounding each number to the nearest 10: ______
- Estimate 73 + 72 by rounding each number to the nearest 10: ______
- Estimate 26 − 62 by rounding each number to the nearest 10: ______
- Estimate 40 − 81 by rounding each number to the nearest 10: ______
- Estimate 76 + 52 by rounding each number to the nearest 10: ______
- Estimate 47 − 50 by rounding each number to the nearest 10: ______
- Estimate 46 − 57 by rounding each number to the nearest 10: ______
- Estimate 72 − 89 by rounding each number to the nearest 10: ______
- Estimate 47 − 60 by rounding each number to the nearest 10: ______
- Estimate 34 − 42 by rounding each number to the nearest 10: ______
- Estimate 21 − 82 by rounding each number to the nearest 10: ______
- Estimate 82 + 32 by rounding each number to the nearest 10: ______
- Estimate 44 − 35 by rounding each number to the nearest 10: ______
- Estimate 81 − 83 by rounding each number to the nearest 10: ______
- Estimate 33 − 77 by rounding each number to the nearest 10: ______