A pattern of squares is made using matchsticks. For 1 square, 4 matchsticks are used. For 2 squares, 7 matchsticks are used. For 3 squares, 10 matchsticks are used. How many matchsticks will be needed for 'n' squares?

An algebraic expression has terms '5x', '2y', and '7'. What is the constant term in this expression?

Which of the following is equivalent to the expression "y subtracted from 15"?

A bag contains 'r' red marbles and 'b' blue marbles. If 5 red marbles are added to the bag, what is the new total number of marbles?

If 'a' is a positive integer, which expression will have the smallest value?

The perimeter of a regular hexagon is 'P' cm. If each side length of the hexagon is 's' cm, which equation is correct?

When is the statement "x + y = x - y" true?

A group of 'g' students went on a field trip. Each student paid Rs. 50 for transportation and Rs. 20 for entrance fees. What is the total amount collected from the students?

If 'x' is an even number, which of the following expressions will always represent an odd number?

Mona is 'm' years old. Her brother is 4 years older than her. Their father's age is twice the combined age of Mona and her brother. What is the father's age?

Which operation is the inverse of "adding 8" when solving an equation?

The cost of a book is Rs. 'b'. The cost of a pen is Rs. 10 less than the cost of the book. What is the total cost of 2 books and 3 pens?

Which of the following is an incorrect way to write "three times a number 'x' increased by 5"?

If a number 'k' is multiplied by 4 and then 9 is subtracted from the result, the answer is 11. Which equation represents this situation?

Identify the equation from the following options:

A bus travels at a speed of 'v' km/hour. How far will it travel in 6 hours?

A pattern is formed using dots: Figure 1 has 3 dots, Figure 2 has 5 dots, Figure 3 has 7 dots. If 'n' represents the figure number, which expression gives the number of dots in Figure 'n'?

Which of the following statements correctly uses a variable?

Consider the expression 7y + 12. If the value of 'y' is 4, what is the value of the expression?

A square has a side length of 's' units. If its side length is increased by 3 units, what will be the perimeter of the new square?

Reena is 'x' years old. Her brother, Sanjeev, is 5 years younger than her. Their mother is three times Reena's age. Which expression correctly represents the mother's age in terms of Sanjeev's age?

A train travels 'k' kilometers in an hour. How many kilometers will it travel in half an hour?

What is the value of x if 7 + x = 18?

The number of students in a class is 'S'. If 1/3 of the students are boys, which expression represents the number of boys?

If 2 less than a number 'x' is 10, what is the number?

The weight of a puppy is 'w' kg. Its mother is 5 times heavier than the puppy. What is the mother's weight?

A shopkeeper sold 's' shirts on Monday and twice that number of shirts on Tuesday. How many shirts did he sell in total over the two days?

Which of the following describes a variable?

If a number 'N' is decreased by 10 and the result is 20, what is the number?

What is the value of 15 - 2y if y = 6?

If the cost of one ice cream cone is 'x' rupees, what is the cost of buying 4 ice cream cones for yourself and your 3 friends?

A bag contains 'g' green apples and 'r' red apples. You add 5 more green apples to the bag. What is the new total number of apples?

The side length of a square is 's'. What is its area?

Which of the following is true for any variable 'a'?

Solve for 'x': x / 5 - 1 = 4

A baker bakes 'c' cakes on Monday. On Tuesday, he bakes 3 fewer cakes than Monday. How many cakes did he bake on Tuesday?

If 'k' is a number, which expression represents "the sum of the number and 5, multiplied by 2"?

The number of boys in a class is 'b'. The number of girls is twice the number of boys. What is the expression for the number of girls?

What is the value of y in the equation 3y + 2 = 17?

A factory produces 'f' toys per day. How many toys will it produce in a week (7 days)?

If the cost of 6 pencils is 'C' rupees, what is the cost of one pencil?

Which is the constant term in the equation 4x - 6 = 10?

A bus travels at a speed of 'v' kilometers per hour. How much distance will it cover in 3 hours?

Which of these shows the distributive property?

The length of a rope is 'R' meters. If it is cut into 5 equal pieces, what is the length of one piece?

If 'k' is an odd number, what is the next even number after 'k'?

What is the value of (a + b) * c if a = 2, b = 3, and c = 4?

A pattern starts with 5, then 10, then 15. What is the expression for the nth term of this pattern?

Solve for 'p': p - 12 = 8

The temperature in a city is 'T' degrees Celsius. If it rises by 7 degrees, what is the new temperature?

If 'x' is a number, which expression represents "10 less than the number x"?

A box of chocolates contains 'c' chocolates. If you buy 3 such boxes, how many chocolates do you have in total?

Which of these represents "the product of 5 and a number 'q'"?

Solve for 'a': 2a = 18

If 'm' represents a number, which expression is equivalent to "the number 'm' divided by 4"?

The cost of a book is 'x' rupees. The cost of a pen is 'y' rupees. What is the difference in cost between the book and the pen?

If 'p' is an even number, what is the next odd number after 'p'?

In the expression 2x + 5y - 8, how many terms are there?

Solve for 'y': y / 3 = 7

The length of a rectangle is 'L' cm. Its width is 3 cm less than its length. What is the expression for its width?

Which of the following expresses the associative property of addition?

A taxi charges a fixed fare of 50 rupees plus 10 rupees per kilometer. If 'd' is the distance traveled in kilometers, what is the expression for the total fare?

If 4 times a number 'n' is equal to 36, what is the number?

Which of the following describes the constant term in an algebraic expression?

Solve for 'x': x + 9 = 20

If 'z' is a number, which phrase correctly describes 2z - 9?

Rani is 12 years old. Her brother is 't' years older than her. What is the expression for her brother's age?

What is the value of 5 + x - 2 if x = 8?

Let's try a simpler one about perimeter. The perimeter of a regular hexagon is given by the expression 6s, where 's' is the length of one side. If a side length is 7 cm, what is the perimeter?

Which of the following is an incorrect statement?

If a number 'k' is multiplied by 6 and then 2 is added to the product, the result is 32. Which equation represents this?

The cost of one apple is 'a' rupees and the cost of one banana is 'b' rupees. What is the total cost of 5 apples and 3 bananas?

If x = 10, what is the value of 3x - 5?

If 'a' is a number, which expression means "half of the number 'a' increased by 10"?

A farmer has 'x' cows. He buys 8 more cows. How many cows does he have now?

In the expression 7m + 4, what is the coefficient of 'm'?

If the perimeter of an equilateral triangle is 'P' and its side length is 's', which equation correctly relates P and s?

Which of the following expressions represents "three times a number 'p' decreased by 7"?

If 'y' represents the current age of a person, what was their age 5 years ago?

Rahul scored 'x' marks in a test. His friend scored 15 marks more than Rahul. What is the expression for his friend's score?