Lesson 2-1, Check Skills You'll Need

1. x – 2 + 2
   1. x – 2
   2. x + 2
   3. 2x
   4. x
2. n + 2 – 2
   1. n + 2
   2. n
   3. n – 2
   4. 2n
3. 5
   1. 5c
   2. 
   3. c
   4. 25c
4. 
   1. 2m
   2. m
   3. 1
   4. 49m
For each number, choose its opposite and reciprocal.
5. 2
   1. – 2,
   2. , –
   3. – ,
   4. 2, –
6. – 2
   1. – 2,
   2. , –
   3. – ,
   4. 2, –
7. 
   1. – 2,
   2. , –
   3. – ,
   4. 2, –
8. –
   1. – 2,
   2. , –
   3. – ,
   4. 2, –

Click the button to highlight the correct answers.