Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 27 by rounding each number to the nearest 10: ______
- Estimate 66 − 28 by rounding each number to the nearest 10: ______
- Estimate 22 + 48 by rounding each number to the nearest 10: ______
- Estimate 52 − 65 by rounding each number to the nearest 10: ______
- Estimate 81 + 72 by rounding each number to the nearest 10: ______
- Estimate 64 + 68 by rounding each number to the nearest 10: ______
- Estimate 74 + 86 by rounding each number to the nearest 10: ______
- Estimate 52 + 25 by rounding each number to the nearest 10: ______
- Estimate 62 + 32 by rounding each number to the nearest 10: ______
- Estimate 89 + 38 by rounding each number to the nearest 10: ______
- Estimate 24 + 88 by rounding each number to the nearest 10: ______
- Estimate 71 − 70 by rounding each number to the nearest 10: ______
- Estimate 63 + 46 by rounding each number to the nearest 10: ______
- Estimate 85 + 26 by rounding each number to the nearest 10: ______
- Estimate 58 + 82 by rounding each number to the nearest 10: ______
- Estimate 37 + 79 by rounding each number to the nearest 10: ______
- Estimate 85 − 37 by rounding each number to the nearest 10: ______
- Estimate 51 − 39 by rounding each number to the nearest 10: ______
- Estimate 44 − 77 by rounding each number to the nearest 10: ______
- Estimate 34 − 23 by rounding each number to the nearest 10: ______