7
you simply at 5 to 7.5. so your answer is 12.5 on the number line.
The origin, O is the point where the value on the number line is zero. Locate the a point 3 units to the left of the Origin, O and another point that is 5 units to the right of the origin. Join the two points with a straight line.
The integer value of 5 degrees under zero is -5. It is -5 because using a number line you would be able to see 5 units under zero is -5.
3 "tens of units" plus 5 "units".
10
7
Go what equals 5 units to the left
12
you simply at 5 to 7.5. so your answer is 12.5 on the number line.
5
7
If you know the value of x then the answer is the point 5 units to the left of that value. If you do not know the value of x then the answer is the whole of the number line.
The origin, O is the point where the value on the number line is zero. Locate the a point 3 units to the left of the Origin, O and another point that is 5 units to the right of the origin. Join the two points with a straight line.
6
They are -2 and 12.
If you start at 0 then: 0+5-3+4=6 I hope it helped you