6th Grade Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal representation of the fraction 1/2.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, ensuring to place the decimal point in the answer.

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. Formula: Area = Length × Width.

Front

How do you calculate the cost of multiple items?

Back

To calculate the total cost, multiply the price per item by the number of items. For example, if an item costs $4.70 and you buy 13.5 pounds, the total cost is 4.70 × 13.5.

Front

What is average speed?

Back

Average speed is calculated by dividing the total distance traveled by the total time taken. Formula: Average Speed = Total Distance / Total Time.

Front

How do you 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 point in the product accordingly.

Front

What is the value of 32.7 multiplied by 1.2?

Back

The value of 32.7 multiplied by 1.2 is 39.24.

Front

What is the importance of aligning decimal points in calculations?

Back

Aligning decimal points ensures that each digit is in the correct place value, which is crucial for accurate addition and subtraction of decimal numbers.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 0.25.

Front

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

Back

A proper fraction has a numerator smaller than its denominator (e.g., 3/4), while an improper fraction has a numerator larger than or equal to its denominator (e.g., 5/4).