2. Numbers ALGEBRA Getting a level 5 in your SATs !!! Non-calculator questions

3. A: 5n B: n + 5 D: 5 C: n5 There are n marbles in this bag. If I add 5 more, how many are now in the bag ?

4. A: t - 2 B: 2 - t D: t C: 2 There are t marbles in this bag. If I take 2 out, how many are now in the bag ?

5. A: 3p B: 3p - 6 D: p – 2 C: - 6 I take 2 marbles from each bag. How many do I have left altogether ?

6. A: m + 5 B: 3m + 5 D: m + 15 C: 3m + 15 I add 5 marbles to each bag. How many do I have altogether ? mmm

7. A: 10t - 10 B: 10t - 8 D: t -10 C: 10 – 10t Each bag contains t marbles. During a game each player loses 2 marbles. How many are left ?

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9. A: 14 B: 12 D: 16 C: 10 There are 4 tiles in pattern 1. How many tiles would be in pattern 4 ?

10. A: 9 C: 10 D: 12 B: 11 What is the number of the pattern you can make with 40 tiles ?

11. A: 4 B: 3 C: 2 D: 5 When 2y + 11 = 17 what is the value of y ?

12. A: ab and 3a B: ab and 3b D: 3a and 3b C: all of them 3 4 When a = 2 and b = 3 which of these expressions have the same value? ab a + b 3a 3b

13. A: 12 B: 15 D: 21 C: 18 How many white triangles would there be in pattern 5 ?

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15. A: 18 B: 17 D: 16 C: 19 How many triangles would there be in pattern 6 ?

16. A: k = a + b B: k – c = a + b D: k – b = c C: a + b = K + c k a b c Which of these equations is true ? a

17. A: 2t + 1 D: t + 3 C: 3t - 1 B: t + 2 The number of matchsticks in the next picture is 9. Which rule did I use to get this ? ( t stands for number of triangles )

18. A: 8 B: 4 C: 6 D: 2 4 4 2 y These two shapes have the same AREA. Work out the value of y ?

19. A: n + 6 D: 6n +1 B: 6n C: 6n - 1 The rule for finding the number of hexagons is …………..

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21. Question? A:Answer 1B:Answer 2C:Answer 3D:Answer 4