Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 26 by rounding each number to the nearest 10: ______
- Estimate 45 + 27 by rounding each number to the nearest 10: ______
- Estimate 44 − 40 by rounding each number to the nearest 10: ______
- Estimate 58 + 72 by rounding each number to the nearest 10: ______
- Estimate 51 − 39 by rounding each number to the nearest 10: ______
- Estimate 58 + 56 by rounding each number to the nearest 10: ______
- Estimate 37 − 48 by rounding each number to the nearest 10: ______
- Estimate 54 − 73 by rounding each number to the nearest 10: ______
- Estimate 44 + 85 by rounding each number to the nearest 10: ______
- Estimate 35 − 56 by rounding each number to the nearest 10: ______
- Estimate 42 + 62 by rounding each number to the nearest 10: ______
- Estimate 74 + 64 by rounding each number to the nearest 10: ______
- Estimate 54 + 29 by rounding each number to the nearest 10: ______
- Estimate 56 + 72 by rounding each number to the nearest 10: ______
- Estimate 27 + 67 by rounding each number to the nearest 10: ______
- Estimate 43 + 64 by rounding each number to the nearest 10: ______
- Estimate 67 + 32 by rounding each number to the nearest 10: ______
- Estimate 29 − 45 by rounding each number to the nearest 10: ______
- Estimate 70 − 39 by rounding each number to the nearest 10: ______
- Estimate 76 − 25 by rounding each number to the nearest 10: ______