Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 33 + 86 by rounding each number to the nearest 10: ______
- Estimate 67 + 38 by rounding each number to the nearest 10: ______
- Estimate 35 − 40 by rounding each number to the nearest 10: ______
- Estimate 74 − 78 by rounding each number to the nearest 10: ______
- Estimate 83 + 86 by rounding each number to the nearest 10: ______
- Estimate 22 − 50 by rounding each number to the nearest 10: ______
- Estimate 23 + 48 by rounding each number to the nearest 10: ______
- Estimate 71 + 26 by rounding each number to the nearest 10: ______
- Estimate 61 + 61 by rounding each number to the nearest 10: ______
- Estimate 34 − 76 by rounding each number to the nearest 10: ______
- Estimate 52 + 28 by rounding each number to the nearest 10: ______
- Estimate 30 − 63 by rounding each number to the nearest 10: ______
- Estimate 27 − 58 by rounding each number to the nearest 10: ______
- Estimate 72 − 35 by rounding each number to the nearest 10: ______
- Estimate 32 + 64 by rounding each number to the nearest 10: ______
- Estimate 89 − 47 by rounding each number to the nearest 10: ______
- Estimate 42 − 25 by rounding each number to the nearest 10: ______
- Estimate 39 − 68 by rounding each number to the nearest 10: ______
- Estimate 77 + 67 by rounding each number to the nearest 10: ______
- Estimate 47 − 54 by rounding each number to the nearest 10: ______