Unit 6 Long Division / + , - , * Decimals Review (NO CALC.)

Front

What is long division?

Back

Long division is a method for dividing large numbers by breaking the division process into simpler steps, involving dividing, multiplying, subtracting, and bringing down the next digit.

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 process to add decimals?

Back

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

Front

What is the process to subtract decimals?

Back

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

Front

How do you find the total weight of multiple items?

Back

To find the total weight, add the weights of each item together.

Front

What is the formula for calculating distance?

Back

Distance = Speed × Time.

Front

How do you divide a total into equal parts?

Back

To divide a total into equal parts, divide the total by the number of parts.

Front

What is the least number of buses needed if each bus holds a certain number of students?

Back

To find the least number of buses needed, divide the total number of students by the capacity of one bus and round up to the nearest whole number.

Front

What is the significance of rounding in division?

Back

Rounding helps simplify numbers to make calculations easier, especially when dealing with large numbers or decimals.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.