Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 − 38 by rounding each number to the nearest 10: ______
- Estimate 39 + 43 by rounding each number to the nearest 10: ______
- Estimate 50 + 56 by rounding each number to the nearest 10: ______
- Estimate 32 + 35 by rounding each number to the nearest 10: ______
- Estimate 24 − 39 by rounding each number to the nearest 10: ______
- Estimate 77 + 78 by rounding each number to the nearest 10: ______
- Estimate 80 − 71 by rounding each number to the nearest 10: ______
- Estimate 59 − 28 by rounding each number to the nearest 10: ______
- Estimate 51 − 39 by rounding each number to the nearest 10: ______
- Estimate 23 + 40 by rounding each number to the nearest 10: ______
- Estimate 63 − 64 by rounding each number to the nearest 10: ______
- Estimate 77 − 39 by rounding each number to the nearest 10: ______
- Estimate 61 + 52 by rounding each number to the nearest 10: ______
- Estimate 62 − 29 by rounding each number to the nearest 10: ______
- Estimate 79 + 64 by rounding each number to the nearest 10: ______
- Estimate 76 − 71 by rounding each number to the nearest 10: ______
- Estimate 87 + 65 by rounding each number to the nearest 10: ______
- Estimate 27 + 54 by rounding each number to the nearest 10: ______
- Estimate 67 + 79 by rounding each number to the nearest 10: ______
- Estimate 85 − 35 by rounding each number to the nearest 10: ______