Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 77 by rounding each number to the nearest 10: ______
- Estimate 59 − 44 by rounding each number to the nearest 10: ______
- Estimate 25 − 49 by rounding each number to the nearest 10: ______
- Estimate 68 + 51 by rounding each number to the nearest 10: ______
- Estimate 37 + 71 by rounding each number to the nearest 10: ______
- Estimate 22 − 31 by rounding each number to the nearest 10: ______
- Estimate 88 − 28 by rounding each number to the nearest 10: ______
- Estimate 23 − 28 by rounding each number to the nearest 10: ______
- Estimate 62 + 45 by rounding each number to the nearest 10: ______
- Estimate 62 + 42 by rounding each number to the nearest 10: ______
- Estimate 33 + 42 by rounding each number to the nearest 10: ______
- Estimate 52 + 50 by rounding each number to the nearest 10: ______
- Estimate 72 − 47 by rounding each number to the nearest 10: ______
- Estimate 60 − 81 by rounding each number to the nearest 10: ______
- Estimate 65 + 52 by rounding each number to the nearest 10: ______
- Estimate 82 − 89 by rounding each number to the nearest 10: ______
- Estimate 40 − 77 by rounding each number to the nearest 10: ______
- Estimate 39 + 52 by rounding each number to the nearest 10: ______
- Estimate 38 + 21 by rounding each number to the nearest 10: ______
- Estimate 46 − 21 by rounding each number to the nearest 10: ______