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## Integer Number Line Operations - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

See some of our other supported math practice problems.

Fill in the blanks.

 1.   -4 + = -1 -4 − = -1 2.   2 + = 5 2 − = 5

### Complexity=1, Mode=sub

Fill in the blanks.

 1.   3 + = -1 3 − = -1 2.   2 + = -3 2 − = -3

### Complexity=1

Fill in the blanks.

 1.   -5 + = -4 -5 − = -4 2.   2 + = 0 2 − = 0

### Complexity=1, Mode=eq

Fill in the blanks.

 1.   − = 2.   + =

Fill in the blanks.

1

-4 + = -1
-4 − = -1

Solution
You move right on a number line when
• adding a positive number, or
• subtracting a negative number.
2

2 + = 5
2 − = 5

Solution
You move right on a number line when
• adding a positive number, or
• subtracting a negative number.

### Complexity=1, Mode=sub

Fill in the blanks.

1

3 + = -1
3 − = -1

Solution
You move left on a number line when
• adding a negative number, or
• subtracting a positive number.
2

2 + = -3
2 − = -3

Solution
You move left on a number line when
• adding a negative number, or
• subtracting a positive number.

### Complexity=1

Fill in the blanks.

1

-5 + = -4
-5 − = -4

Solution
You move right on a number line when
• adding a positive number, or
• subtracting a negative number.
2

2 + = 0
2 − = 0

Solution
You move left on a number line when
• adding a negative number, or
• subtracting a positive number.

### Complexity=1, Mode=eq

Fill in the blanks.

1

=
Solution
You move right on a number line when
• adding a positive number, or
• subtracting a negative number.

You start out at 1, then move 2 spaces to the right.
The problem asks for a subtraction equation, so you are subtracting a negative number, -2.
You end at 3.
1-2 = 3
2

+ =
Solution
You move left on a number line when
• adding a negative number, or
• subtracting a positive number.

You start out at 1, then move 3 spaces to the left.