Mastering Multiplication and Decimals

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) is the same as adding 3 four times (3 + 3 + 3 + 3 = 12).

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part. For example, 0.75 is a decimal.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers. For example, to add 1.2 and 3.45, write them as 1.20 and 3.45, then add: 1.20 + 3.45 = 4.65.

Front

What is the place value of the digit 5 in the number 0.456?

Back

The place value of the digit 5 in 0.456 is 'Hundredths' because it is in the second position to the right of the decimal point.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers. For example, to subtract 2.5 from 5.7, write them as 5.70 - 2.50 = 3.20.

Front

What is the place value of the digit 7 in the number 5,783?

Back

The place value of the digit 7 in 5,783 is '7000' because it is in the thousands place.

Front

What is the sum of 6.78 and 3.45?

Back

The sum of 6.78 and 3.45 is 10.23.

Front

What is the difference between 5.67 and 3.21?

Back

The difference between 5.67 and 3.21 is 2.46.

Front

What is the decimal place value of the digit 3 in the number 0.034?

Back

The place value of the digit 3 in 0.034 is 'Thousandths' because it is in the third position to the right of the decimal point.

Front

What is the product of 4 and 5?

Back

The product of 4 and 5 is 20.