Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 41 by rounding each number to the nearest 10: ______
- Estimate 52 + 23 by rounding each number to the nearest 10: ______
- Estimate 65 + 83 by rounding each number to the nearest 10: ______
- Estimate 82 + 29 by rounding each number to the nearest 10: ______
- Estimate 63 + 71 by rounding each number to the nearest 10: ______
- Estimate 75 + 43 by rounding each number to the nearest 10: ______
- Estimate 77 + 31 by rounding each number to the nearest 10: ______
- Estimate 73 + 79 by rounding each number to the nearest 10: ______
- Estimate 56 + 81 by rounding each number to the nearest 10: ______
- Estimate 88 − 58 by rounding each number to the nearest 10: ______
- Estimate 69 − 77 by rounding each number to the nearest 10: ______
- Estimate 29 − 57 by rounding each number to the nearest 10: ______
- Estimate 44 − 47 by rounding each number to the nearest 10: ______
- Estimate 88 + 44 by rounding each number to the nearest 10: ______
- Estimate 31 − 66 by rounding each number to the nearest 10: ______
- Estimate 65 + 49 by rounding each number to the nearest 10: ______
- Estimate 64 + 51 by rounding each number to the nearest 10: ______
- Estimate 62 + 38 by rounding each number to the nearest 10: ______
- Estimate 26 + 46 by rounding each number to the nearest 10: ______
- Estimate 51 − 77 by rounding each number to the nearest 10: ______