Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 − 34 by rounding each number to the nearest 10: ______
- Estimate 81 − 82 by rounding each number to the nearest 10: ______
- Estimate 59 − 52 by rounding each number to the nearest 10: ______
- Estimate 73 + 71 by rounding each number to the nearest 10: ______
- Estimate 79 + 83 by rounding each number to the nearest 10: ______
- Estimate 66 + 61 by rounding each number to the nearest 10: ______
- Estimate 82 + 40 by rounding each number to the nearest 10: ______
- Estimate 22 + 24 by rounding each number to the nearest 10: ______
- Estimate 77 − 47 by rounding each number to the nearest 10: ______
- Estimate 52 + 70 by rounding each number to the nearest 10: ______
- Estimate 32 − 84 by rounding each number to the nearest 10: ______
- Estimate 44 − 30 by rounding each number to the nearest 10: ______
- Estimate 82 + 38 by rounding each number to the nearest 10: ______
- Estimate 29 + 89 by rounding each number to the nearest 10: ______
- Estimate 29 + 35 by rounding each number to the nearest 10: ______
- Estimate 31 − 74 by rounding each number to the nearest 10: ______
- Estimate 88 − 75 by rounding each number to the nearest 10: ______
- Estimate 57 − 50 by rounding each number to the nearest 10: ______
- Estimate 45 + 82 by rounding each number to the nearest 10: ______
- Estimate 89 + 61 by rounding each number to the nearest 10: ______