Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 29 by rounding each number to the nearest 10: ______
- Estimate 23 − 35 by rounding each number to the nearest 10: ______
- Estimate 61 − 39 by rounding each number to the nearest 10: ______
- Estimate 80 − 83 by rounding each number to the nearest 10: ______
- Estimate 77 − 30 by rounding each number to the nearest 10: ______
- Estimate 26 − 48 by rounding each number to the nearest 10: ______
- Estimate 27 − 36 by rounding each number to the nearest 10: ______
- Estimate 85 + 79 by rounding each number to the nearest 10: ______
- Estimate 62 + 46 by rounding each number to the nearest 10: ______
- Estimate 29 + 58 by rounding each number to the nearest 10: ______
- Estimate 83 + 60 by rounding each number to the nearest 10: ______
- Estimate 42 − 86 by rounding each number to the nearest 10: ______
- Estimate 30 − 34 by rounding each number to the nearest 10: ______
- Estimate 63 + 40 by rounding each number to the nearest 10: ______
- Estimate 26 − 88 by rounding each number to the nearest 10: ______
- Estimate 35 − 34 by rounding each number to the nearest 10: ______
- Estimate 45 − 43 by rounding each number to the nearest 10: ______
- Estimate 86 + 42 by rounding each number to the nearest 10: ______
- Estimate 80 + 37 by rounding each number to the nearest 10: ______
- Estimate 83 + 37 by rounding each number to the nearest 10: ______