Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 58 + 77 by rounding each number to the nearest 10: ______
- Estimate 36 − 73 by rounding each number to the nearest 10: ______
- Estimate 82 − 43 by rounding each number to the nearest 10: ______
- Estimate 86 − 28 by rounding each number to the nearest 10: ______
- Estimate 64 + 37 by rounding each number to the nearest 10: ______
- Estimate 69 − 57 by rounding each number to the nearest 10: ______
- Estimate 39 + 54 by rounding each number to the nearest 10: ______
- Estimate 35 − 49 by rounding each number to the nearest 10: ______
- Estimate 51 − 43 by rounding each number to the nearest 10: ______
- Estimate 55 − 21 by rounding each number to the nearest 10: ______
- Estimate 61 + 32 by rounding each number to the nearest 10: ______
- Estimate 61 + 65 by rounding each number to the nearest 10: ______
- Estimate 62 + 32 by rounding each number to the nearest 10: ______
- Estimate 78 + 77 by rounding each number to the nearest 10: ______
- Estimate 79 + 49 by rounding each number to the nearest 10: ______
- Estimate 73 − 47 by rounding each number to the nearest 10: ______
- Estimate 71 − 45 by rounding each number to the nearest 10: ______
- Estimate 61 − 30 by rounding each number to the nearest 10: ______
- Estimate 21 − 40 by rounding each number to the nearest 10: ______
- Estimate 81 + 45 by rounding each number to the nearest 10: ______