Unit 1 - Decimals and Fractions

Front

What is the sum of 7.41 and 0.741?

Back

The sum of 7.41 and 0.741 is 8.151.

Front

How do you add a decimal number to a whole number?

Back

To add a decimal number to a whole number, align the decimal points and add as you would with whole numbers, carrying over if necessary.

Front

What is 89.34 + 98?

Back

89.34 + 98 equals 187.34.

Front

How do you divide two decimal numbers?

Back

To divide two decimal numbers, move the decimal point in the divisor to the right to make it a whole number, and move the decimal point in the dividend the same number of places. Then divide as usual.

Front

What is 0.48 ÷ 0.4?

Back

0.48 ÷ 0.4 equals 1.2.

Front

What is the product of 18 and 8.7?

Back

The product of 18 and 8.7 is 156.6.

Front

How do you multiply a whole number by a decimal?

Back

To multiply a whole number by a decimal, multiply as if they are both whole numbers, then place the decimal point in the product based on the total number of decimal places in the factors.

Front

What is 6.7 - 2.33?

Back

6.7 - 2.33 equals 4.37.

Front

What is the process for subtracting decimals?

Back

To subtract decimals, align the decimal points and subtract as you would with whole numbers, borrowing if necessary.

Front

What is the importance of aligning decimal points in addition and subtraction?

Back

Aligning decimal points ensures that each digit is in the correct place value, which is crucial for accurate calculations.