Decimal Operations Homework

Front

What is the sum of 12.3 and 13.45?

Back

25.75

Front

How do you find the average distance Mary biked each day if she biked 95.25 kilometers in 15 days?

Back

6.35 kilometers

Front

What is 9.6 multiplied by 1.8?

Back

17.28

Front

What is 642.5 divided by 5?

Back

128.5

Front

What is the sum of 15.255 and 19.058?

Back

34.313

Front

Define decimal addition.

Back

Decimal addition is the process of adding numbers that have decimal points, aligning the decimal points before performing the addition.

Front

What is the process to find the average of a set of numbers?

Back

Add all the numbers together and then divide by the total count of numbers.

Front

Explain how to multiply decimals.

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal in the product accordingly.

Front

What is the rule for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor to make it a whole number, then move the decimal point in the dividend the same number of places and divide as usual.

Front

What is the difference between a proper fraction and an improper fraction?

Back

A proper fraction has a numerator smaller than the denominator, while an improper fraction has a numerator larger than or equal to the denominator.