Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 29 + 42 by rounding each number to the nearest 10: ______
- Estimate 70 + 25 by rounding each number to the nearest 10: ______
- Estimate 50 + 21 by rounding each number to the nearest 10: ______
- Estimate 64 − 21 by rounding each number to the nearest 10: ______
- Estimate 34 − 69 by rounding each number to the nearest 10: ______
- Estimate 21 − 62 by rounding each number to the nearest 10: ______
- Estimate 43 + 25 by rounding each number to the nearest 10: ______
- Estimate 76 + 47 by rounding each number to the nearest 10: ______
- Estimate 79 + 49 by rounding each number to the nearest 10: ______
- Estimate 58 + 45 by rounding each number to the nearest 10: ______
- Estimate 57 + 67 by rounding each number to the nearest 10: ______
- Estimate 77 + 62 by rounding each number to the nearest 10: ______
- Estimate 29 − 84 by rounding each number to the nearest 10: ______
- Estimate 77 + 39 by rounding each number to the nearest 10: ______
- Estimate 66 + 38 by rounding each number to the nearest 10: ______
- Estimate 55 + 21 by rounding each number to the nearest 10: ______
- Estimate 62 + 83 by rounding each number to the nearest 10: ______
- Estimate 27 + 81 by rounding each number to the nearest 10: ______
- Estimate 87 − 42 by rounding each number to the nearest 10: ______
- Estimate 67 + 44 by rounding each number to the nearest 10: ______