Year 8 Mathematics Flashcards

Flashcards for Year 8 Mathematics review.

Question 1

The value of 'a' required to make the equation a + 15 = 6a + 20 true.

Question 2

The pair of identical operations missing from the boxes in Question 2.

Question 3

Solution to x/5 - 2 = -9.

Question 4

Sabina's current age, given that in 10 years she will triple in age.

Question 5 Solve 4(5x - 2) = 2(9x + 3).

Solution: x = 7

Question 6

The incorrect description-equation pairing.

Question 7

The cost difference between buying a 10-pack of 1.5L water bottles versus buying 10 individual bottles.

Question 8

The value of 's' given the equation s = ut + (1/2)at^2, where u = 4 m/s, t = 8 s, and a = 2 m/s^2.

Question 9

The inequality represented on the number line.

Question 10

Solution to x+7/5 ≤ 11.

Question 1a Solve 18 - 3x = 6

Solution: x = 4

Question 1b Solve 4(5 + 3x) = 8(2 + 4x)

Solution: x = 1/5

Question 2a Solve 3b/2 + 5 = 20

Solution: b = 10

Question 2b Solve 12 = -4.5(-x - 2)/3

Solution: x = 6

Question 3a Solve 4x - 1 < 11

Solution: x < 3

Question 3b Solve 5(x + 3) ≥ 25

Solution: x ≥ 2

Question 4

Cindy’s repair job cost equation: 110x + 20 = 350

Question 5

Nick initially baked 14 cookies.

Question 6

Kathy reached Tori in 40 seconds.

Question 7

Fergus needs to save for 20 weeks.

Question 8

Each sculpture was initially worth $36,000.

Question 1a

Equation for total cost if Topway produces plushies in a year. C = 5p + 6500

Question 1b

740 plushies manufactured in last year's cycle.

Question 1c Equation

Equation for the total revenue received by Topway at their current price of $18 if they sell plushies. R = 18p

Question 1c Plushies sold

475 plushies if the reported revenue is $8550

Question 1d

Company needs to sell 500 plushies to break even.

Question 1e

Company needs to sell 5500 plushies in a year to get annual profit.