1. Prime Numbers and Factoring

2. Which expression is equal to 4x6? (a) 2 × 2 x 2 (b) 2 × 3 × 4 (c) 4 × 5 × 3 (d) 6 × 6

3. Which expression is equal to 2x9? (a) 3 × 3 (b) 3 × 3 × 2 (c) 5 × 2 × 4 (d) 1 × 9

4. Which expression is equal to 3 × 8? (a) 2 × 8 (b) 3 × 3 × 3 (c) 6 × 6 × 6 (d) 1 × 24

5. 3) Which is NOT a factor of 30? (a) 4 (b) 10 (c) 15 (d) 6

6. Which of these is another way to write the product 15x2 (a) 1 x 15 x 3 (c) 3 x 6 x 2 (b) 3 x 5 x 2 (d) 5 x 5 x 1

7. Which is a prime number? (a) 6 (c) 8 (b) 9 (d) 11