Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 74 + 83 by rounding each number to the nearest 10: ______
- Estimate 72 + 72 by rounding each number to the nearest 10: ______
- Estimate 60 − 66 by rounding each number to the nearest 10: ______
- Estimate 62 + 57 by rounding each number to the nearest 10: ______
- Estimate 29 + 21 by rounding each number to the nearest 10: ______
- Estimate 68 − 66 by rounding each number to the nearest 10: ______
- Estimate 55 + 76 by rounding each number to the nearest 10: ______
- Estimate 59 + 54 by rounding each number to the nearest 10: ______
- Estimate 47 + 37 by rounding each number to the nearest 10: ______
- Estimate 80 + 30 by rounding each number to the nearest 10: ______
- Estimate 86 + 51 by rounding each number to the nearest 10: ______
- Estimate 47 + 55 by rounding each number to the nearest 10: ______
- Estimate 77 − 34 by rounding each number to the nearest 10: ______
- Estimate 60 + 44 by rounding each number to the nearest 10: ______
- Estimate 54 + 42 by rounding each number to the nearest 10: ______
- Estimate 80 + 56 by rounding each number to the nearest 10: ______
- Estimate 89 − 61 by rounding each number to the nearest 10: ______
- Estimate 73 + 52 by rounding each number to the nearest 10: ______
- Estimate 73 + 22 by rounding each number to the nearest 10: ______
- Estimate 62 − 32 by rounding each number to the nearest 10: ______