Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 − 71 by rounding each number to the nearest 10: ______
- Estimate 28 + 77 by rounding each number to the nearest 10: ______
- Estimate 39 + 30 by rounding each number to the nearest 10: ______
- Estimate 43 + 49 by rounding each number to the nearest 10: ______
- Estimate 23 + 43 by rounding each number to the nearest 10: ______
- Estimate 37 − 44 by rounding each number to the nearest 10: ______
- Estimate 36 − 63 by rounding each number to the nearest 10: ______
- Estimate 24 + 78 by rounding each number to the nearest 10: ______
- Estimate 41 − 25 by rounding each number to the nearest 10: ______
- Estimate 23 − 47 by rounding each number to the nearest 10: ______
- Estimate 32 + 50 by rounding each number to the nearest 10: ______
- Estimate 42 − 25 by rounding each number to the nearest 10: ______
- Estimate 59 − 79 by rounding each number to the nearest 10: ______
- Estimate 77 − 64 by rounding each number to the nearest 10: ______
- Estimate 88 − 51 by rounding each number to the nearest 10: ______
- Estimate 25 − 54 by rounding each number to the nearest 10: ______
- Estimate 84 + 66 by rounding each number to the nearest 10: ______
- Estimate 61 + 21 by rounding each number to the nearest 10: ______
- Estimate 52 − 26 by rounding each number to the nearest 10: ______
- Estimate 49 + 85 by rounding each number to the nearest 10: ______