Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 79 by rounding each number to the nearest 10: ______
- Estimate 73 + 52 by rounding each number to the nearest 10: ______
- Estimate 39 − 23 by rounding each number to the nearest 10: ______
- Estimate 89 + 61 by rounding each number to the nearest 10: ______
- Estimate 48 + 58 by rounding each number to the nearest 10: ______
- Estimate 80 + 29 by rounding each number to the nearest 10: ______
- Estimate 65 − 40 by rounding each number to the nearest 10: ______
- Estimate 50 − 34 by rounding each number to the nearest 10: ______
- Estimate 74 − 57 by rounding each number to the nearest 10: ______
- Estimate 67 − 30 by rounding each number to the nearest 10: ______
- Estimate 79 + 72 by rounding each number to the nearest 10: ______
- Estimate 79 + 47 by rounding each number to the nearest 10: ______
- Estimate 69 + 37 by rounding each number to the nearest 10: ______
- Estimate 79 + 56 by rounding each number to the nearest 10: ______
- Estimate 57 + 23 by rounding each number to the nearest 10: ______
- Estimate 47 − 77 by rounding each number to the nearest 10: ______
- Estimate 70 + 31 by rounding each number to the nearest 10: ______
- Estimate 40 − 40 by rounding each number to the nearest 10: ______
- Estimate 80 + 56 by rounding each number to the nearest 10: ______
- Estimate 33 + 70 by rounding each number to the nearest 10: ______