Term 2 Math reviews

Numbers

100

What is the greatest common factor of 18 and 24?

6

200

Round 15.83 to the nearest whole number

16

300

What is the least common multiple of 10 and 12?

60

400

What is 125,971 rounded to the nearest hundred?

126,000

500

Order from greatest to least. -312, -210, -333, -206

-206, -210, -312, -333

Fractions

100

Write 22/9 as a mixed number.

2 4/9

200

Which fraction is least? 2/3 5/6 1/2 5/12

5/12

300

1/2 + 6/7 =

19/14

400

1 3/4 x 1/3 

7/12

500

7/6 divided by 3?

7/18

Order of Operations

100

2 + 5 x 7 - 10

27

200

5 x (6/2 - 1)

10

300

5² - 6(2 x 2)

1

400

-5 x 3 + 12/-3

-17

500

(2 x 3² - 10)² + 8/2

68

Straight Line Graphs

100

How do you write the coordinates of a point where 

y=3 and x=-1

(-1, 3)

200

In the equation of the line y = 3x - 1, what is the gradient of the line?

m = 3

300

If x = -3, what is the y value for the graph y = 3x + 10

y = 1

400

Does the point (3, -1) lie on the graph of the line

y=2x-5

No

500

What is the equation of a line that has a gradient of -2 and goes through the point (1,5)

y = -2x + 1

Algebra

100

Expand the brackets

2(3 - 2y) =

6 - 4y

200

Simplify: 

12 + 2x + 5 - 12x =

17 - 10x

300

If a=1, b=-3 and c=5. 

Evaluate: 2a + bc

-13

400

Factorise completely:

4x² + 12x

4x(x + 3)

500

Solve for x

4x + 5 = 2x - 7

x = -6