Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 + 54 by rounding each number to the nearest 10: ______
- Estimate 51 − 26 by rounding each number to the nearest 10: ______
- Estimate 52 + 38 by rounding each number to the nearest 10: ______
- Estimate 63 + 27 by rounding each number to the nearest 10: ______
- Estimate 87 + 43 by rounding each number to the nearest 10: ______
- Estimate 59 + 43 by rounding each number to the nearest 10: ______
- Estimate 36 − 85 by rounding each number to the nearest 10: ______
- Estimate 83 − 33 by rounding each number to the nearest 10: ______
- Estimate 26 − 34 by rounding each number to the nearest 10: ______
- Estimate 23 + 88 by rounding each number to the nearest 10: ______
- Estimate 53 − 31 by rounding each number to the nearest 10: ______
- Estimate 72 − 44 by rounding each number to the nearest 10: ______
- Estimate 82 + 57 by rounding each number to the nearest 10: ______
- Estimate 25 − 89 by rounding each number to the nearest 10: ______
- Estimate 44 + 50 by rounding each number to the nearest 10: ______
- Estimate 56 − 54 by rounding each number to the nearest 10: ______
- Estimate 26 + 32 by rounding each number to the nearest 10: ______
- Estimate 29 − 27 by rounding each number to the nearest 10: ______
- Estimate 82 + 69 by rounding each number to the nearest 10: ______
- Estimate 68 + 73 by rounding each number to the nearest 10: ______