Math Test Grade 3: 5-question challenge

Practice questions

1. Factor x² - 9.

   • (x-9)(x+1)
   • (x+3)(x-3)
   • (x-3)²
   • (x+3)²

2. When a straight line crosses two parallel lines, what is the relationship between the alternate angles?

   • Vertical angles
   • Supplementary angles
   • Adjacent
   • Equal

3. Factor x² + 10x + 21.

   • (x+6)(x+4)
   • (x+2)(x+10)
   • (x+1)(x+21)
   • (x+3)(x+7)

4. Factor x² - x - 6.

   • (x+6)(x-1)
   • (x-6)(x+1)
   • (x+3)(x-2)
   • (x-3)(x+2)

5. Solve the simultaneous equations 3x + y = 15 and x + y = 7. What is the solution?

   • x=5, y=2
   • x=4, y=3
   • x=2, y=5
   • x=3, y=4