Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 + 52 by rounding each number to the nearest 10: ______
- Estimate 22 − 86 by rounding each number to the nearest 10: ______
- Estimate 52 − 42 by rounding each number to the nearest 10: ______
- Estimate 85 + 88 by rounding each number to the nearest 10: ______
- Estimate 80 + 75 by rounding each number to the nearest 10: ______
- Estimate 56 + 57 by rounding each number to the nearest 10: ______
- Estimate 82 − 54 by rounding each number to the nearest 10: ______
- Estimate 35 + 81 by rounding each number to the nearest 10: ______
- Estimate 72 − 61 by rounding each number to the nearest 10: ______
- Estimate 47 − 65 by rounding each number to the nearest 10: ______
- Estimate 62 + 77 by rounding each number to the nearest 10: ______
- Estimate 24 − 78 by rounding each number to the nearest 10: ______
- Estimate 56 − 70 by rounding each number to the nearest 10: ______
- Estimate 35 + 36 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______
- Estimate 73 − 27 by rounding each number to the nearest 10: ______
- Estimate 32 + 69 by rounding each number to the nearest 10: ______
- Estimate 41 − 86 by rounding each number to the nearest 10: ______
- Estimate 34 + 44 by rounding each number to the nearest 10: ______
- Estimate 63 + 43 by rounding each number to the nearest 10: ______