Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 50 by rounding each number to the nearest 10: ______
- Estimate 28 − 72 by rounding each number to the nearest 10: ______
- Estimate 67 + 34 by rounding each number to the nearest 10: ______
- Estimate 25 − 43 by rounding each number to the nearest 10: ______
- Estimate 26 − 24 by rounding each number to the nearest 10: ______
- Estimate 59 + 49 by rounding each number to the nearest 10: ______
- Estimate 57 − 51 by rounding each number to the nearest 10: ______
- Estimate 23 − 48 by rounding each number to the nearest 10: ______
- Estimate 70 + 88 by rounding each number to the nearest 10: ______
- Estimate 38 − 42 by rounding each number to the nearest 10: ______
- Estimate 39 − 51 by rounding each number to the nearest 10: ______
- Estimate 65 + 38 by rounding each number to the nearest 10: ______
- Estimate 50 − 29 by rounding each number to the nearest 10: ______
- Estimate 83 − 62 by rounding each number to the nearest 10: ______
- Estimate 79 + 58 by rounding each number to the nearest 10: ______
- Estimate 33 − 69 by rounding each number to the nearest 10: ______
- Estimate 65 − 21 by rounding each number to the nearest 10: ______
- Estimate 41 − 45 by rounding each number to the nearest 10: ______
- Estimate 67 + 48 by rounding each number to the nearest 10: ______
- Estimate 48 − 49 by rounding each number to the nearest 10: ______