[FREE] End of Year Math Assessments (Grade 4 and Grade 5)

The assessments cover a range of topics to assess your students' math progress and help prepare them for state assessments.

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Whole Numbers Integers Decimal number line Fractions Greater than sign Less than signHere you will learn about inequalities on a number line, including how to represent inequalities on a number line, interpret inequalities from a number line, and list integer values from an inequality.

Students will first learn about inequalities on a number line as part of expressions and equations in 6th grade.

**Inequalities on a number line** allow us to visualize the values that are represented by an inequality.

To represent inequalities on a number line, we show the range of numbers by drawing a straight line and indicating the end points with either an open circle or a closed circle.

An open circle shows it **does not include** the value.

A closed circle shows it **does include** the value.

For example,

Show x < 3 on a number line.

An open circle needs to be indicated at ‘3’ on the number line. This shows that the solution to the inequality does not include the value.

x < 3 is read ‘x is less than 3’, so the values to the left of the circle need to be indicated with a line.

You can also represent a graphed inequality with symbols.

For example,

Write the inequality shown on the number line.

The graph starts at 0 and the closed circle shows us that 0 is included in the solution set. The line shows that values less than 0 are also included in the solution set.

Comparing x to 0, the graph shows that ‘x is less than or equal to 0’ → x \leq 0

Comparing 0 to x, the graph shows that ‘0 is greater than or equal to x' → 0 \geq x

While the first inequality is how this relationship is typically written, always remember that the other statement is equal.

How does this relate to 6th grade math?

**Grade 6 – Expressions and Equations (6.EE.B.8)**Write an inequality of the form x > c or x < c to represent a constraint or condition in a real-world or mathematical problem. Recognize that inequalities of the form x > c or x < c have infinitely many solutions; represent solutions of such inequalities on number line diagrams.

In order to graph inequalities on a number line:

**Identify the starting value.****Decide if the starting value is included in the solution set.****Identify the solution set with a straight line.**

Assess math progress for the end of grade 4 and grade 5 or prepare for state assessments with these mixed topic, multiple choice questions and extended response questions!

DOWNLOAD FREEAssess math progress for the end of grade 4 and grade 5 or prepare for state assessments with these mixed topic, multiple choice questions and extended response questions!

DOWNLOAD FREEGraph x > 3 on a number line.

**Identify the starting value.**

The inequality indicates that 3 is the starting value.

2**Decide if the starting value is included in the solution set.**

Since the symbol is >, the 3 is not included in the solution, so the graph has an open circle.

3**Identify the solution set with a straight line.**

x > 3 reads ‘x is greater than 3’, so the line is drawn to the right of the circle to show the solution set includes all values greater than 3.

Graph -2\geq{x} on a number line.

**Identify the starting value.**

The inequality indicates that -2 is the starting value.

**Decide if the starting value is included in the solution set.**

Since the symbol is \geq, the -2 is included in the solution, so the graph has a closed circle.

**Identify the solution set with a straight line.**

-2 \geq x reads ‘-2 is greater than or equal to x’, so the line is drawn to the left of the circle to show the solution set includes all values less than or equal to -2.

*Note that you can also read the inequality -2 \geq x from right to left as ‘x is less than or equal to -2’ .

Graph 8.5 \leq x on a number line.

**Identify the starting value.**

The inequality indicates that 8.5 is the starting value.

**Decide if the starting value is included in the solution set.**

Since the symbol is \leq, the 8.5 is included in the solution, so the graph has a closed circle.

**Identify the solution set with a straight line.**

8.5 \leq x reads ‘8.5 is less than or equal to x’, so the line is drawn to the right of the circle to show the solution set includes all values greater than or equal to 8.5.

*Note that you can also read the inequality 8.5 \leq x from right to left as ‘x is greater than or equal to 8.5’ .

Write the inequality that is shown on the number line.

**Identify the starting value.**

The inequality indicates that 4 is the starting value.

**Decide if the starting value is included in the solution set.**

Since the circle is closed, 4 is included in the solution set.

**Identify the solution set with a straight line.**

The line shows that values greater than 4 are also included in the solution set.

This graph shows the inequalities:

x \geq 4 → ‘x is greater than or equal to 4’

and

4 \leq x → ‘4 is less than or equal to x’ .

Write the inequality that is shown on the number line.

**Identify the starting value.**

The inequality indicates that -3 is the starting value.

**Decide if the starting value is included in the solution set.**

Since the circle is open, -3 is not included in the solution set.

**Identify the solution set with a straight line.**

The line shows that values greater than -3 are included in the solution set.

This graph shows the inequalities:

x < -3 → ‘x is less than -3’

and

-3 > x → ‘ -3 is greater than x’ .

Maryam wants to spend at least 45 minutes each week memorizing her lines for the upcoming play.

Create a graph that represents how much time she should spend memorizing lines each week.

**Identify the starting value.**

‘Maryam wants to spend at least 45 minutes each week…’ → 45 is the starting value.

**Decide if the starting value is included in the solution set.**

45 is included in the solution set, because ‘at least’ means 45 and greater, so the graph has a closed circle.

**Identify the solution set with a straight line.**

The line is drawn to the right of the circle to show the solution set also includes all values greater than 45.

- To help students memorize the inequality symbols, make sure they are posted in the classroom or somewhere else easily accessible. Also encourage students to read inequalities both forward and backwards, which forces them to focus on the shape of the inequality symbol.

- When introducing the \leq and \geq , explicitly make the connection between these signs and the greater than, less than, and equal sign.

- Number line worksheets are a good way to help students develop this skill, but be sure to also include activities that are more interactive. This could include graphing inequalities digitally or using things that happen in and around the classroom as a basis for writing and graphing real world inequalities.

**Confusing when to include or not include the starting value**

Open circles do not include the value in the solution set and require a ‘<’ or ‘>’ sign. Closed circle do include the value in the solution set and require a ‘\leq’ or a ‘\geq’ sign.

**Making the incorrect interpretation when the variable is on the right side**

The direction of the inequality sign shows if the solution set is ‘greater than’ or ‘less than’. This can be confused when both sides of the inequality are switched.

For example,

x > 8 is the same as 8 < x .

In both, x is greater than 8 as the inequality sign is open towards the x.

**Confusing the meaning of the phrases ‘at least’ and ‘at most’**

‘At least’ includes the given number and everything above. ‘At most’ includes the given number and everything below. It is easy to think least means below and most means above, but you must consider these words within the context.

For example,

The weatherman says, at most the temperature will reach 7 degrees. This means ‘7 degrees or less’ or ‘no more than 7 degrees’, so the inequality graph is…

- Inequalities
- Solving inequalities
- Graphic inequalities
- Greater than sign
- Less than sign

1. Show x > 5 on a number line.

x > 5 is read ‘x is greater than 5.’ The starting value is not included in the solution set, so an open circle is used.

The solution set is all values greater than 5, so the line is to the right of the circle.

2. Show x\leq{7} on a number line.

x \leq 7 is read ‘x is less than or equal to 7.’ The starting value is included in the solution set, so a closed circle is used.

The solution set also includes all values less than 7, so the line is to the left of the circle.

3. Show \cfrac{3}{2} \, > x on a number line.

\cfrac{3}{2} \, > x is read ‘ \, \cfrac{3}{2} \, is greater than x.’

From right to left the inequality is read ‘x is less than \, \cfrac{3}{2} \, .’

The starting value is not included in the solution set, so an open circle is used.

The solution set includes all values less than \, \cfrac{3}{2} \, , so the line is to the left of the circle.

The circle is at \, \cfrac{3}{2} \, or 1 \, \cfrac{1}{2} \, .

4. Write the inequality for x that is shown on this number line.

x < 6

x \leq 6

x > 6

x \geq 6

6 is indicated with a closed circle so this value is included in the solution set.

The arrow is drawn to the left side to indicate values less than 6.

The graph shows x \leq 6.

5. Write the inequality for x that is shown on this number line.

x < -9

x \leq -9

x > -9

x \geq -9

-9 is indicated with an open circle so this value is not included in the solution set.

The arrow is drawn to the right side to indicate values greater than -9.

The graph shows x > -9.

6. Maria’s mom said she could invite 15 friends at most to her birthday party. Which graph shows how many friends she can invite to her birthday party?

‘Maria’s mom said she could invite 15 friends at most…’ → 15 is the starting value.

15 is included in the solution set, because ‘at most’ means 15 and less, so the graph has a closed circle.

The line is drawn to the left of the circle to show the solution set also includes all values less than 15.

No, just like expressions and equations, inequalities increasingly get more complex as students advance in their math learning. In 7th grade, students will continue learning by working with linear inequalities, also known as two-step inequalities.

- Types of graphs
- Number patterns
- Geometry

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