Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 + 63 by rounding each number to the nearest 10: ______
- Estimate 25 + 27 by rounding each number to the nearest 10: ______
- Estimate 50 + 56 by rounding each number to the nearest 10: ______
- Estimate 84 + 46 by rounding each number to the nearest 10: ______
- Estimate 73 − 64 by rounding each number to the nearest 10: ______
- Estimate 77 + 75 by rounding each number to the nearest 10: ______
- Estimate 31 − 21 by rounding each number to the nearest 10: ______
- Estimate 30 + 89 by rounding each number to the nearest 10: ______
- Estimate 26 + 89 by rounding each number to the nearest 10: ______
- Estimate 25 + 55 by rounding each number to the nearest 10: ______
- Estimate 34 − 39 by rounding each number to the nearest 10: ______
- Estimate 73 − 51 by rounding each number to the nearest 10: ______
- Estimate 30 + 65 by rounding each number to the nearest 10: ______
- Estimate 33 − 80 by rounding each number to the nearest 10: ______
- Estimate 32 − 37 by rounding each number to the nearest 10: ______
- Estimate 64 + 40 by rounding each number to the nearest 10: ______
- Estimate 62 + 71 by rounding each number to the nearest 10: ______
- Estimate 56 + 74 by rounding each number to the nearest 10: ______
- Estimate 52 + 68 by rounding each number to the nearest 10: ______
- Estimate 21 − 37 by rounding each number to the nearest 10: ______