Across
- 5. Simplify 4k + 2 – 2k – 2k.
- 6. Find the value of 3 x (3y + 1) when y = 3.
- 8. In 2x + 10, what is x?
- 10. In 80y + 20, which one is coefficient?
- 12. (-120 : 20) – 5 = . . .
Down
- 1. Father of algebra!
- 2. Multiply x and 50.
- 3. -45 : 5 - (-4) = . . . .
- 4. -20 + 2 x 10 = . . .
- 7. Divide 3/14 by 3/7.
- 9. 1/20 ÷ 1/5 = . . .
- 11. Calculate 8 ÷ 2/3.