Question

Which expression does the graphic represent?

7 – 1
7 – (–1)
8 – 1
8 – (–1)

Answer 1

The number represented by the figure is 8, take away 1, or 7.
A. 7 - 1 = 6
B. 7 - (-1) = 7 + 1 = 8
C. 8 - 1 = 7
D. -(-1) = 1

Answer 2

3 . 8-1

Explanation:

To Find : Which expression does the graphic represent?

Since we are given 8 boxes out of which one is crossed.

So, no. of remaining boxes = 8-1=7

Option 1. 7-1

=8

Option 2. 7-(-1)

=7+1

=8

Option 3. 8-1

= 7

Option 4. 8-(-1)

= 8+1

= 9

Thus we can see that option 3. is correct since it is expressing the given situation .

Hence 8 – 1 expression does the graphic represent