Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 34 + 24 by rounding each number to the nearest 10: ______
- Estimate 39 + 41 by rounding each number to the nearest 10: ______
- Estimate 65 + 61 by rounding each number to the nearest 10: ______
- Estimate 42 − 72 by rounding each number to the nearest 10: ______
- Estimate 51 − 34 by rounding each number to the nearest 10: ______
- Estimate 22 − 37 by rounding each number to the nearest 10: ______
- Estimate 79 − 88 by rounding each number to the nearest 10: ______
- Estimate 79 − 27 by rounding each number to the nearest 10: ______
- Estimate 64 + 43 by rounding each number to the nearest 10: ______
- Estimate 72 − 42 by rounding each number to the nearest 10: ______
- Estimate 72 + 38 by rounding each number to the nearest 10: ______
- Estimate 71 − 50 by rounding each number to the nearest 10: ______
- Estimate 72 − 89 by rounding each number to the nearest 10: ______
- Estimate 76 − 51 by rounding each number to the nearest 10: ______
- Estimate 64 − 63 by rounding each number to the nearest 10: ______
- Estimate 52 + 64 by rounding each number to the nearest 10: ______
- Estimate 40 + 57 by rounding each number to the nearest 10: ______
- Estimate 62 + 66 by rounding each number to the nearest 10: ______
- Estimate 21 − 45 by rounding each number to the nearest 10: ______
- Estimate 62 − 68 by rounding each number to the nearest 10: ______