Decimal Operations - 5th SLO

Front

What is a decimal?

Back

A decimal is a way of representing fractions in a base 10 system, using a dot (.) to separate the whole number from the fractional part.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

What is the value of the digit 5 in the number 3.45?

Back

In the number 3.45, the digit 5 is in the hundredths place, which means it represents 5/100 or 0.05.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the mass of one breakfast bar if a box of 8 bars weighs 73.6 grams?

Back

The mass of one breakfast bar is 9.2 grams, calculated by dividing 73.6 grams by 8.

Front

What is the total cost if Ginny paid $4.16 for a sandwich and $0.95 for fruit?

Back

The total cost is $5.11, calculated by adding $4.16 and $0.95.

Front

What is the result of 14.3 + 2.68?

Back

The result of 14.3 + 2.68 is 16.98.

Front

What is the result of 5.08 - 1.2?

Back

The result of 5.08 - 1.2 is 3.88.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is simpler or easier to work with, often to a specified place value.

Front

What is the place value of 7 in the number 0.567?

Back

In the number 0.567, the place value of 7 is in the thousandths place.