Algebraic notation

12 questions

1. Which of the following is the same as 9+9+9+9 ?
2. Select any calculations which are the same as 3\times4\times5
3. Which of these is the same as writing 7\times7\times7?
4. In algebra, letters are used to represent unknowns or ___
5. Select the statement that can be represented by the equation a+6-2+a=18
6. Match the directed number calculations with the correct answers.
7. In the equation 3t-8=10+t, 10+t is called __________.
8. In the equation 3t-8=10+t, 3t is called a ___
9. True or false: the terms cd and dc are the same.
10. Select any of the options which are the same as 1\times a
11. Match up the calculation with the simplified expression.
12. Match the expression with the description.

License: OGL