Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 47 by rounding each number to the nearest 10: ______
- Estimate 64 + 56 by rounding each number to the nearest 10: ______
- Estimate 64 + 48 by rounding each number to the nearest 10: ______
- Estimate 75 + 65 by rounding each number to the nearest 10: ______
- Estimate 41 − 54 by rounding each number to the nearest 10: ______
- Estimate 62 − 49 by rounding each number to the nearest 10: ______
- Estimate 44 − 73 by rounding each number to the nearest 10: ______
- Estimate 80 − 69 by rounding each number to the nearest 10: ______
- Estimate 45 − 21 by rounding each number to the nearest 10: ______
- Estimate 58 + 79 by rounding each number to the nearest 10: ______
- Estimate 80 + 61 by rounding each number to the nearest 10: ______
- Estimate 58 + 89 by rounding each number to the nearest 10: ______
- Estimate 57 + 26 by rounding each number to the nearest 10: ______
- Estimate 34 − 25 by rounding each number to the nearest 10: ______
- Estimate 69 − 21 by rounding each number to the nearest 10: ______
- Estimate 34 − 38 by rounding each number to the nearest 10: ______
- Estimate 24 − 75 by rounding each number to the nearest 10: ______
- Estimate 37 + 55 by rounding each number to the nearest 10: ______
- Estimate 53 + 71 by rounding each number to the nearest 10: ______
- Estimate 58 − 66 by rounding each number to the nearest 10: ______