Privacy Policy

When you use any of the Mymathgames games or applications on a mobile platform, we may collect and record certain information such as your unique device ID (persistent / non-persistent), hardware type, media access control (“MAC”) address, international mobile equipment identity (“IMEI”), the version of your operating system (“OS”), your device name, your email address (if you have connected to Facebook or Google+), and your location (based on your Internet Protocol (“IP”) address). This information is useful to us for troubleshooting and helps us understand usage trends. Continue reading Privacy Policy

Decimal Multiplication

Suppose you want to multiply 25.3 by 0.46.
Pretend that you’re multiplying numbers without decimal points:
Now you need to find out where the decimal point goes.
To do this, notice that 25.3 has one digit after the decimal point, and that 0.46 has two digits after the decimal point.
Place the decimal point in the answer so that it has three digits after the decimal point.

Multiplying Large Numbers

Suppose we want to multiply 45 by 8. Start by stacking these numbers one on top of another with a line underneath. Multiply 8 by 5 . 8 by 5 is 40 so write down the 0 and carry the 4. Next, multiply 8 by 4. 8 by 4 is 32 . We need to add the 4 that we carried over, which makes the result 36. Because 8 and 4 are the last numbers to multiply, we write down the 36, we don’t have to carry. We find that 45 multiplied by 8 is 360. Continue reading Multiplying Large Numbers