Math 9 Sem 2 Cycle 3 2026

Fraction Equations

100

x/9 + 5 = 3

x = -18

200

1/4x + 1/2x = 3

x = 4

300

x/3 + 3x/4 = 1

x = 12/13

400

2x + 1/6 = 1/2x + 3/4

x = 7/18

500

(p-3)/4 - (3p-5)/8 = (2p-4)/5

p = 9/7

Decimal Equations

100

3.5x + 1.7 = 9.2

x = 2.14

200

2.6x + 9.3 + 0.7x = 8.9

x = -0.12

300

4.7x - 7.2 = 3.3x + 5.9

x = 9.357

400

1.3x + 604 = 2.7x + 142

x=330

500

0.006x + 0.296 = 0.15x - 0.07x

x = 4

Enlargements

100

D = 15cm

OG = 3cm

SF = ?

SF = 5

200

D = ?

SF = 3.5

OG = 9m

D = 31.5m

300

D = 17cm

SF = 4

OG = ?

OG = 4.25cm

400

A font on a computer has a height of 3cm. It is scaled up for a poster so that the height of the word is 1.2m. What is the scale factor used to make this poster?

SF = 40

500

A chess board is used to create a full size human chess game. It is scaled up with a scale factor of 19. A chess piece is 11cm tall. How tall is the full sized piece? Give your answer in m.

2.09m tall

Reductions

100

D = 2cm

OG = 10cm

SF = ?

1/5 or 0.2

200

D = ?

SF = 0.4

OG = 20cm

D = 8cm

300

D = 16cm

SF = 0.75

OG = ?

Og = 21.3cm

400

A drawing of a tree is 38cm tall. The original tree is 15m tall. What is the scale factor used to draw this tree?

SF = 0.0253

500

A battle ship model is created using a scale factor of 1/200. The original battleship is 150m long. How long is the model? Give your answer in cm.

75cm long

Mr Erickson Choice

100

Which NHL team is currently leading the league in points?

Colorado Avalanche

200

Which player is currently leading the NHL in points?

Nikita Kucherov

300

Who was the Female Olympic Figure Skating Champion?

Alysa Liu

400

Which country won the most gold medals at the 2026 Olympics?

Norway

500

Shai Gilgeous-Alexander won the NBA MVP last year, the second Canadian born player to do it. Name the other Canadian MVP

Steve Nash (2 time MVP!)