Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 + 39 by rounding each number to the nearest 10: ______
- Estimate 47 − 73 by rounding each number to the nearest 10: ______
- Estimate 23 + 26 by rounding each number to the nearest 10: ______
- Estimate 87 + 65 by rounding each number to the nearest 10: ______
- Estimate 57 − 48 by rounding each number to the nearest 10: ______
- Estimate 31 − 25 by rounding each number to the nearest 10: ______
- Estimate 31 − 46 by rounding each number to the nearest 10: ______
- Estimate 25 + 48 by rounding each number to the nearest 10: ______
- Estimate 32 + 34 by rounding each number to the nearest 10: ______
- Estimate 64 − 35 by rounding each number to the nearest 10: ______
- Estimate 42 + 29 by rounding each number to the nearest 10: ______
- Estimate 33 + 44 by rounding each number to the nearest 10: ______
- Estimate 41 − 32 by rounding each number to the nearest 10: ______
- Estimate 33 − 81 by rounding each number to the nearest 10: ______
- Estimate 41 − 57 by rounding each number to the nearest 10: ______
- Estimate 44 − 21 by rounding each number to the nearest 10: ______
- Estimate 46 + 45 by rounding each number to the nearest 10: ______
- Estimate 42 − 46 by rounding each number to the nearest 10: ______
- Estimate 79 + 32 by rounding each number to the nearest 10: ______
- Estimate 23 − 88 by rounding each number to the nearest 10: ______