Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 − 48 by rounding each number to the nearest 10: ______
- Estimate 87 + 40 by rounding each number to the nearest 10: ______
- Estimate 80 + 43 by rounding each number to the nearest 10: ______
- Estimate 26 − 41 by rounding each number to the nearest 10: ______
- Estimate 29 − 42 by rounding each number to the nearest 10: ______
- Estimate 80 − 64 by rounding each number to the nearest 10: ______
- Estimate 43 + 29 by rounding each number to the nearest 10: ______
- Estimate 54 − 45 by rounding each number to the nearest 10: ______
- Estimate 59 − 21 by rounding each number to the nearest 10: ______
- Estimate 51 + 51 by rounding each number to the nearest 10: ______
- Estimate 21 − 47 by rounding each number to the nearest 10: ______
- Estimate 88 + 32 by rounding each number to the nearest 10: ______
- Estimate 59 − 68 by rounding each number to the nearest 10: ______
- Estimate 54 − 79 by rounding each number to the nearest 10: ______
- Estimate 79 + 23 by rounding each number to the nearest 10: ______
- Estimate 36 − 23 by rounding each number to the nearest 10: ______
- Estimate 56 + 81 by rounding each number to the nearest 10: ______
- Estimate 57 + 70 by rounding each number to the nearest 10: ______
- Estimate 61 − 87 by rounding each number to the nearest 10: ______
- Estimate 23 − 31 by rounding each number to the nearest 10: ______