Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 45 by rounding each number to the nearest 10: ______
- Estimate 42 + 29 by rounding each number to the nearest 10: ______
- Estimate 42 − 80 by rounding each number to the nearest 10: ______
- Estimate 34 − 21 by rounding each number to the nearest 10: ______
- Estimate 37 − 84 by rounding each number to the nearest 10: ______
- Estimate 41 + 73 by rounding each number to the nearest 10: ______
- Estimate 61 + 42 by rounding each number to the nearest 10: ______
- Estimate 21 + 87 by rounding each number to the nearest 10: ______
- Estimate 26 − 53 by rounding each number to the nearest 10: ______
- Estimate 73 − 65 by rounding each number to the nearest 10: ______
- Estimate 69 − 26 by rounding each number to the nearest 10: ______
- Estimate 44 + 45 by rounding each number to the nearest 10: ______
- Estimate 46 + 79 by rounding each number to the nearest 10: ______
- Estimate 30 − 33 by rounding each number to the nearest 10: ______
- Estimate 77 − 62 by rounding each number to the nearest 10: ______
- Estimate 75 + 88 by rounding each number to the nearest 10: ______
- Estimate 72 + 50 by rounding each number to the nearest 10: ______
- Estimate 85 − 75 by rounding each number to the nearest 10: ______
- Estimate 39 + 56 by rounding each number to the nearest 10: ______
- Estimate 82 + 83 by rounding each number to the nearest 10: ______