Equations for Real-World Problems

Front

What is an equation?

Back

An equation is a mathematical statement that shows the equality of two expressions, often containing variables.

Front

What does the variable 'b' represent in the equation b = 429 - (39 x 9)?

Back

In this equation, 'b' represents the dollar amount of Mrs. Colton's bonus.

Front

How do you solve the equation b = 429 - (39 x 9)?

Back

First, calculate 39 x 9 = 351. Then, subtract 351 from 429 to find b: b = 429 - 351 = 78.

Front

What is the total number of books Adelyn read in October?

Back

Adelyn read a total of 41 books in October.

Front

How do you find the total number of books read by Adelyn?

Back

Add the number of books read each week: 12 + 10 + 10 + 9 = 41.

Front

What does 'f' represent in the equation 2 x 45 + 5 = f?

Back

In this equation, 'f' represents the total number of football cards Josh has after buying more.

Front

How do you calculate the number of football cards Josh has?

Back

First, find out how many cards Josh had initially: 2 x 45 = 90. Then add the 5 more cards: 90 + 5 = 95.

Front

What is the total number of oranges at the store?

Back

The total number of oranges is calculated as t = (14 x 20) + 16 = 280 + 16 = 296.

Front

How do you find the total number of oranges received by the store?

Back

Multiply the number of boxes by the number of oranges per box and then add any additional oranges: (14 x 20) + 16.

Front

What is the difference in the number of beads sewn on the costumes?

Back

The difference is 24 beads, meaning the costume with the most beads has 24 more than the one with the least.