Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 + 34 by rounding each number to the nearest 10: ______
- Estimate 86 − 48 by rounding each number to the nearest 10: ______
- Estimate 77 + 65 by rounding each number to the nearest 10: ______
- Estimate 87 − 76 by rounding each number to the nearest 10: ______
- Estimate 88 − 49 by rounding each number to the nearest 10: ______
- Estimate 87 + 43 by rounding each number to the nearest 10: ______
- Estimate 46 + 75 by rounding each number to the nearest 10: ______
- Estimate 42 − 21 by rounding each number to the nearest 10: ______
- Estimate 21 − 40 by rounding each number to the nearest 10: ______
- Estimate 34 − 88 by rounding each number to the nearest 10: ______
- Estimate 30 + 63 by rounding each number to the nearest 10: ______
- Estimate 50 − 73 by rounding each number to the nearest 10: ______
- Estimate 63 − 41 by rounding each number to the nearest 10: ______
- Estimate 57 − 56 by rounding each number to the nearest 10: ______
- Estimate 46 + 29 by rounding each number to the nearest 10: ______
- Estimate 37 + 72 by rounding each number to the nearest 10: ______
- Estimate 61 − 65 by rounding each number to the nearest 10: ______
- Estimate 75 − 22 by rounding each number to the nearest 10: ______
- Estimate 62 − 21 by rounding each number to the nearest 10: ______
- Estimate 71 + 49 by rounding each number to the nearest 10: ______