1st 9 Weeks Study Guide

Front

What is the total amount of money Nick has after buying a pencil case for $9.50 from $14.20?

Back

$4.70

Front

What is the value of the digit 5 in the number 835,479,382?

Back

5,000,000

Front

How do you calculate the total amount of money Brittney and Brett have together if Brittney has $19.65 and Brett has $23.35?

Back

Add the two amounts: $19.65 + $23.35 = $43.00.

Front

List the periods in a number starting from the smallest period (right to left).

Back

Ones period, thousands period, millions period, billions period, trillions period.

Front

How do you round the number 1,457 to the nearest hundred?

Back

1,457 rounded to the nearest hundred is 1,500.

Front

What is the process for subtracting one amount from another in a word problem?

Back

Identify the total amount, determine the cost or amount to subtract, and perform the subtraction.

Front

What is the significance of place value in large numbers?

Back

Place value determines the value of each digit in a number based on its position.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value and simplify.

Front

What is the method for adding two decimal numbers?

Back

Align the decimal points and add as you would with whole numbers, carrying over as needed.

Front

What is the definition of rounding in mathematics?

Back

Rounding is the process of adjusting a number to a nearby specified value, often to make calculations easier.