Units 2.4 - 2.7
Annoying things Ms Ohlstrom says all the time
Wild Card
Expressions
Fractions & decimals
Blast from the Past
100

Solve: 2(x + 1) = 18

x = 8
100

A proportionality always goes through the...


origin

100


What is the slope of the graph of: y=12x−19?  


12

100

What am I doing when I turn 3(x-6) into 3x-18?

I am using the distributive property

100

5 / 0,001

5000

100

What is the probability of getting "tails" (klave) when you flip a coin?

Year 8 Unit 2.5

1/2 or 50% 

200

Solve: 3(x -5) = 45


x = 20

200

Fill in the blank:

SHOW YOUR _______

WORK

200

What's Ms Ohlstrom's dog's name?

Francisco (Paco)

200

What am I doing when I turn 3x-18 into 3(x-6)?

I am factoring. 

200

Convert 250.025 to a mixed number.

250 1/ 40 

200

What year was Ms Ohlstrom born?

1984

300

Solve: (3x-5)/4 = 5


x = 25/3

300

What does the m stand for in slope-intercept form?


y-intercept

skärningspunkten i y-axeln

300

What is the square root of 225?

 15

300

x2 + 18x + 81 and  x2 - 81 are special types of expressions. What are they called?

A quadratic (or second degree) expression

(Bonus 100 points if your team mentioned that the second quadratic expression is also called the "difference of squares")

300

(0.15)(0.05)

0.0075

300

What is the name of George Orwell's dystopian novel that explores themes of mass surveillance and brainwashing? 

1984

400

PA: There are 4 milk chocolates to every 2 dark in a box of chocolates. There are 34 dark chocolates in the box. How many milk chocolates are in the box?

68



400

When solving an equation or an inequality: 

"Move all of the _____ to one side and all the _____ to the other"

Variables / constants

400

Twice a number is 18 more than 5 times a number.

Write the equation and solve

2x = 18 + 5x

x = -6

400

(4x4)2

16x8

400

Reduce to lowest terms:

102/170

3/5

400

If 200 is increased by 130 percent, what is the resulting number?

Year 8 Unit 2.3

460

500

Solve: (3 - 3x)/7 = 6

x = -13

500

What is E in the order of operations (prioriteringsreglerna)?

exponents

500

Write the following equation in slope-intercept form:  5(x + 2y) = 20

y = -1/2x + 2

500

a5-7

1

____

a2

500

9876.5 – 643.99

9,232.51

500

The net of a cylinder consists of: 

Year 8 Unit 4.7

two circles and a quadrilateral

700

-9 - 5x < 21

x > -6

700

The last step to solving an equation or inequality is to(3 words): 

______ ___ ________

Isolate the variable
700

(x+5)/4=7 

 Solve for x

x = 23

700

Simplify: -(x + 7) -2(4x + y)

-9x -7 -2y

700

0,7- 0,62

0,13

700

You toss a coin twice. 

a) What is the probability that you get heads and heads? 

b) What is the probability that you get heads and tails? 

Year 8 Unit 2.7

1/4 or 25% 

900

Solve: 21 + x = 2(x - 6)

x = 33

900

What day is your homework due?

9A: Fridays

9B: Wednesdays

9C: Thursdays

9D: Tuesdays

900

What is the slope formula?

k = (y2 - y1) / (x2 - x1)

900

Factorize: 15x+ 10x2y

5x(3x2+2xy)

900

9 2/14 – 3 15/21 

 

5 3/7

900

What year was Ms Ohlstrom in grade 9?

1998 & 1999

1000

15f−23=2(4f+20)

f = 9

1000

What does the back of Ms Ohlstrom's clipboard say?

If you need a sign to spit out your gum, this is it

1000

2-1 - 1 = 

-0,5

1000

x + 10 -6(x - 3x) + 4

13x + 14

1000

7/8 - 5/6 - 1/3

-7/24

1000

Purple Rain by Prince and the Revolution was the number 1 album in December 1984. Approximately how many copies have been sold? 

25 million

1500

The ratio of roses to snapdragons was 4 to 5. If there were 26,000 roses on the float, how many snapdragons were there?

32,500

1500

Ms Ohlstrom's tutorial is when (day and time) and where?

Thursdays from 8.00-9.00 in room 614 

1500

What's the slope of the line passing through (3,9) (5,4)

slope: -5/2

1500

What do these popular English language expressions mean? (all three must be correct!) 

1. Over the moon

2. Spill the beans

3. Under the weather

1. Very happy

2. Tell something

3. To be sick

1500

Write the following fractions as a decimal:

1. 7/9

2. 3/8

3. -2/3

1. 0.778

2. 0.375

3. -0.667

1500

A circle has the radius of 6cm. A circle sector is formed with a 60 degree angle. What is the area of the circle sector? 

Year 8 Unit 4.3

approximately 18,84 cm2

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