Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 + 26 by rounding each number to the nearest 10: ______
- Estimate 25 + 72 by rounding each number to the nearest 10: ______
- Estimate 49 + 55 by rounding each number to the nearest 10: ______
- Estimate 86 + 88 by rounding each number to the nearest 10: ______
- Estimate 28 + 65 by rounding each number to the nearest 10: ______
- Estimate 81 − 23 by rounding each number to the nearest 10: ______
- Estimate 83 + 86 by rounding each number to the nearest 10: ______
- Estimate 25 − 25 by rounding each number to the nearest 10: ______
- Estimate 35 − 71 by rounding each number to the nearest 10: ______
- Estimate 71 − 71 by rounding each number to the nearest 10: ______
- Estimate 57 + 64 by rounding each number to the nearest 10: ______
- Estimate 29 − 84 by rounding each number to the nearest 10: ______
- Estimate 36 + 21 by rounding each number to the nearest 10: ______
- Estimate 88 − 89 by rounding each number to the nearest 10: ______
- Estimate 34 + 68 by rounding each number to the nearest 10: ______
- Estimate 73 − 33 by rounding each number to the nearest 10: ______
- Estimate 32 + 35 by rounding each number to the nearest 10: ______
- Estimate 28 − 75 by rounding each number to the nearest 10: ______
- Estimate 42 + 31 by rounding each number to the nearest 10: ______
- Estimate 77 − 59 by rounding each number to the nearest 10: ______