Math 9 Pre-Assessment

Integers

100

(-1) + (-2) = ?

-3

200

5 - (-1) = ? 

+6

300

(-3) x (4) = ?

-12

400

10 divided by 5 = 

2

500

2 + ( 2 x (-4)) + 5 = ?

-1

Fractions

100

1/5 + 2/5 = ? 

3/5

200

(1/2) x (3/6) = 

put answer in lowest terms

3/12 = 1/4

300

1/3 + 2/6 = ?

put answer in lowest terms

4/6 = 2/3

400

write this as a mixed number fraction

11/4

2 & 3/4

500

Are these equivalent?

5/11 & 10/11

No. 

for the numerator we see that 5x2=10

for the denominator we see that it is unchanged. Both the numerator and denominator must be multiplied or divided by the same whole number to make equivalent fractions.

Squares and Roots

100

solve:

3²= ? 

9

or 3x3 = 9

200

Find the square root of 121

11 

(11 x 11 = 121)

300

is 16 a perfect square?

yes, 4x4 = 16

400

what is the cube root of 27?

3

(3x3x3=27)

500

A rectangular box has the following dimensions

length = 5cm

width = 2cm

depth = 2 cm

what is the volume?

5cm x 2cm x 2cm = 20cm³

Linear Equations (Algebra)

100

solve for the variable

5x=10

x=2

200

is x = 3?

3x+1=7

no.

3(3)+1 = 7

10 = 7 

10 is not equivalent to 7

300

solve for the variable

6x-2=10

x = 2

400

solve for the variable

20 = 2 + 3x

x=6

500

solve for the variable

5 = -x

x=-5

Other

100

Give an example of Percent

e.g. 50%, 100%, 120% etc

200

What is a mean?

It is the average of a data set. 

sum of all values/ number of values

300

What is the Pythagorean theorem? 

a²+b²=c²

used to solve the missing side of a right angle triangle

400

Give an example of how to calculate the surface area of a rectangle. 

Area = Length x width

500

Is this a ratio or a rate?

A car can travel 50km/hour

A rate. 

We are comparing 2 quantities with different units.