Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 + 89 by rounding each number to the nearest 10: ______
- Estimate 40 + 75 by rounding each number to the nearest 10: ______
- Estimate 63 + 38 by rounding each number to the nearest 10: ______
- Estimate 27 − 76 by rounding each number to the nearest 10: ______
- Estimate 52 + 32 by rounding each number to the nearest 10: ______
- Estimate 58 + 34 by rounding each number to the nearest 10: ______
- Estimate 31 + 69 by rounding each number to the nearest 10: ______
- Estimate 29 − 86 by rounding each number to the nearest 10: ______
- Estimate 21 + 21 by rounding each number to the nearest 10: ______
- Estimate 57 − 38 by rounding each number to the nearest 10: ______
- Estimate 72 + 73 by rounding each number to the nearest 10: ______
- Estimate 50 + 68 by rounding each number to the nearest 10: ______
- Estimate 25 − 43 by rounding each number to the nearest 10: ______
- Estimate 48 + 66 by rounding each number to the nearest 10: ______
- Estimate 31 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 − 21 by rounding each number to the nearest 10: ______
- Estimate 69 + 23 by rounding each number to the nearest 10: ______
- Estimate 37 + 70 by rounding each number to the nearest 10: ______
- Estimate 69 + 65 by rounding each number to the nearest 10: ______
- Estimate 55 + 66 by rounding each number to the nearest 10: ______