Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 88 by rounding each number to the nearest 10: ______
- Estimate 43 − 78 by rounding each number to the nearest 10: ______
- Estimate 40 + 51 by rounding each number to the nearest 10: ______
- Estimate 72 − 37 by rounding each number to the nearest 10: ______
- Estimate 59 + 31 by rounding each number to the nearest 10: ______
- Estimate 36 − 22 by rounding each number to the nearest 10: ______
- Estimate 73 + 27 by rounding each number to the nearest 10: ______
- Estimate 88 + 57 by rounding each number to the nearest 10: ______
- Estimate 72 − 81 by rounding each number to the nearest 10: ______
- Estimate 42 − 52 by rounding each number to the nearest 10: ______
- Estimate 71 − 80 by rounding each number to the nearest 10: ______
- Estimate 55 − 34 by rounding each number to the nearest 10: ______
- Estimate 82 − 51 by rounding each number to the nearest 10: ______
- Estimate 55 + 73 by rounding each number to the nearest 10: ______
- Estimate 68 − 47 by rounding each number to the nearest 10: ______
- Estimate 63 + 64 by rounding each number to the nearest 10: ______
- Estimate 85 + 25 by rounding each number to the nearest 10: ______
- Estimate 70 + 53 by rounding each number to the nearest 10: ______
- Estimate 42 + 23 by rounding each number to the nearest 10: ______
- Estimate 62 − 42 by rounding each number to the nearest 10: ______