Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 43 by rounding each number to the nearest 10: ______
- Estimate 32 − 41 by rounding each number to the nearest 10: ______
- Estimate 64 + 30 by rounding each number to the nearest 10: ______
- Estimate 58 + 72 by rounding each number to the nearest 10: ______
- Estimate 83 + 88 by rounding each number to the nearest 10: ______
- Estimate 77 − 56 by rounding each number to the nearest 10: ______
- Estimate 39 − 72 by rounding each number to the nearest 10: ______
- Estimate 88 − 55 by rounding each number to the nearest 10: ______
- Estimate 63 − 28 by rounding each number to the nearest 10: ______
- Estimate 71 + 86 by rounding each number to the nearest 10: ______
- Estimate 41 − 44 by rounding each number to the nearest 10: ______
- Estimate 68 + 50 by rounding each number to the nearest 10: ______
- Estimate 29 + 57 by rounding each number to the nearest 10: ______
- Estimate 86 − 69 by rounding each number to the nearest 10: ______
- Estimate 23 + 25 by rounding each number to the nearest 10: ______
- Estimate 58 + 52 by rounding each number to the nearest 10: ______
- Estimate 61 − 40 by rounding each number to the nearest 10: ______
- Estimate 88 − 86 by rounding each number to the nearest 10: ______
- Estimate 83 − 59 by rounding each number to the nearest 10: ______
- Estimate 34 + 82 by rounding each number to the nearest 10: ______