Topics

Algebra

100

(2x+5)(x-5)

2x² -3x -35

200

Simplify the expression 4m+5+2m-1

6m + 4

300

Solve for 2y + 1 = 7

3

400

if x - 4 =<6 what is the max value x can be?

10

500

(-7s+4)-(-8s+4)

s

Prime factorization

100

m³ x m⁵

m⁸

200

Hcf of 75 and 90

15

300

Lcm of 32 and 80

160

400

150 as product of prime numbers

3 x 2 x 5²

500

Hcf of 140 and x is 20 Lcm of 140 and x is 420 find the value of x.

60

Fractions

100

simplify 30n by 12

15n by 6

200

2n/3 x 2/6

2n/9

300

1/8 x 4/5g

1/10g

400

5d / 6 x 4 / 10

d/3

500

10x² + 20x / 5x² + 10x

4

Probability

100

What is the probability that you flip heads on a two sided coin.

½

200

Dexter charges players £1 to play and gives £3 to any winners. If 260 people play the game, how much profit would Dexter expect to make?

140

300

Rachel flips a biased coin. The probability that she gets two heads is 0.16. What is the probability that she gets two tails?

.36

400

Alice has some red balls and some blue balls in a bag. Altogether she has 25 balls. Alice picks one ball from the bag. The probability that Alice picks a red ball is x and the probability that Alice picks a blue ball is 4x. Work out how many blue balls are in the bag.

20

500

 A coin is tossed three times. Work out the probability of getting two heads and one tail.

3/8

Exponents

100

5⁰

1

200

617840276937582¹

617840276937582

300

2⁵ x 2³

2⁸

400

9² X 9⁸⁵

9⁸⁷

500

9⁴ X 9⁶ - 9² X 8⁴  

9⁸ -9² X 8⁴