which subtraction expression does the number line model show? -15 -13 -11 -9 -7 -5 -3 -1 -13 + 4 -4 - 13 -4…
which subtraction expression does the number line model show? -15 -13 -11 -9 -7 -5 -3 -1 -13 + 4 -4 - 13 -4 - 9 -4 + 9
Answer
Explanation:
Step1: Analyze number - line movement
The number - line starts at - 4 and moves 9 units to the left. Moving to the left on a number line represents subtraction.
Step2: Write the subtraction expression
Starting at - 4 and moving 9 units left gives the expression - 4-9.
Answer:
- 4 - 9