Please enter your email: 1. Simplify 5a + 7a. A. 12a B. 12aa C. 57a D. 57aa 2. Which of these is a simplification of 2a x 3a? A. 5a B. 6a C. 23aa D. 6a2 3. Simplify 4a + 5b + 6b + 11a A. 26ab B. 15a2 + 11b2 C. 15a + 11b D. 9a + 17b 4. What is the simplification of 3a + 4b + 6c + 3a – 6c – 1a – 3b? A. 4a + 2b – 3c B. 5a + b C. 6a – 3b D. 9a – 2b – c 5. If I have x rabbits and you have twice as many, how many rabbits have you got? A. 2x B. 2+x C. 2-x D. X2 6. Jane is c years old and her sister Katie is three years younger so how old is Katie? A. c3 B. c + 3 C. c – 3 D. c – 3 – 3 7. Peter has x brothers, Paul has y brothers and Graham has z brothers. Between the three boys, how many brothers have they got? A. xyz B. x + y + z C. x + y – z D. x – y + z 8. Suzie is x years old and she has a sister called Rosie who is four years older. Rosie’s mother was 28 when Rosie was born. How old is Rosie’s mother now? A. 7x B. x + 28 C. x – 4 D. x + 32 9. Peter has x oranges and Joe has three more oranges than Peter. How would we write the number of oranges that Joe has? [A ] 3x [B ] x + 3 [C ] x + x + x + x [D ] x3 10. Sam has x guinea pigs, Paul has y guinea pigs and Joseph has z guinea pigs. We know that Sam and Paul together have the same number of guinea pigs as Joseph. How would we write this? [A ] x + y = z [B ] xyz [C ] 2x + y [D ] x – y = z Loading … Question 1 of 10