4.5A (Readiness) - 4th Grade Math STAAR

Front

What is a strip diagram?

Back

A strip diagram is a visual representation used to show the relationship between quantities, often used in math to help solve word problems.

Front

How do you find the total number of items when one quantity is twice another?

Back

If one quantity is twice another, you can express the total as the sum of the two quantities. For example, if p is the first quantity, the total is p + 2p = 3p.

Front

What is the equation to find the total number of books returned to the library on two days if 50 were returned on Thursday and 4 times that on Friday?

Back

The equation is 50 X 4 = 200 (books returned on Friday) and then 200 + 50 = b (total books returned).

Front

How do you divide a total amount equally among partners?

Back

To divide a total amount equally among partners, you take the total amount and divide it by the number of partners.

Front

What is the equation to find the number of football cards Josh has if he had twice as many as Mark and then bought 5 more?

Back

The equation is 2 X 45 + 5 = f, where 45 is the number of cards Mark has.

Front

How do you calculate the total production of two different items in a factory?

Back

To calculate the total production, add the number of each item produced. For example, if 400 refrigerators and 125 more stoves are made, the total is 400 + 400 + 125.

Front

What does it mean when a number is described as 'twice' another number?

Back

'Twice' means two times that number. For example, if x is a number, twice x is 2x.

Front

What is the first step in solving a word problem involving addition and multiplication?

Back

Identify the quantities involved and determine what operations (addition, multiplication) are needed to find the answer.

Front

How can you represent a problem with a mathematical equation?

Back

You can represent a problem with a mathematical equation by translating the words into numbers and operations. For example, '5 more than twice a number' can be written as 2x + 5.

Front

What is the importance of using equations in problem-solving?

Back

Equations help to clearly define relationships between quantities and provide a systematic way to find unknown values.