Quiz - Solving Simple Equation Using Bar Model

    What is the value of x in the equation 3x – 5 = 7?

• 4

• 3

• 2

• 1

Which of the following defines Bar model?

• A table that lists numbers in rows and columns

• A tool used only for measuring length in mathematics.

•    A graph that shows data using lines and points.

• A tool that helps us visualize the given math problem using rectangles or bars.

  What is the solution to the equation 2x + 4 =6?

• x=1

• x=2

• x=3

• x=4

What is the value of a that satisfies 3a – 5 =25?

• 40

• 30

• 20

• 10

  What is the value of x when x-4 = 9?

• 11

• 12

• 13

• 14

    Which is the value of a that makes 2a + 5= a +12 true?

• 9

• 8

• 7

• 6

   What is the solution for b in 3b + 7= b + 13?

• 2

• 3

• 4

• 5

What does solving an equation mean?

• Adding terms together to get a larger total.

• Drawing bar models to represent different numbers.

• Writing expressions that look similar to each other.

• Finding the value of the unknown that makes both sides of the equation equal.

   Which of the following describes if 2a + 5 = a +12 when a= 7?

• Both sides calculate to 21, so they are equal.

•   Both sides calculate to 19, so they are equal.

• The right side is greater than the left side, so they are not equal.

• The left side is greater than the right side, so they are not equal.

What happens when substitute x=1 into 2x + 4= 6?

• Left side= 5, right side=6, not equal.

•   Left side= 6, right side= 6, both sides are equal.

• Left side= 7, right side= 6. Not equal.

• Left side= 8, right side= 8, both sides are equal.