Math Open Day 1

Algebra

100

Which number is the coefficient in the equation 

3x + 6 = 18

3

200

Is 5c - 2c = 3c and expression or equation?

equation

300

What are the "like" terms in the expression 

6h + 5y - 2y +8

5y and 2y

400

x+5 = 28

4

 Solve for x

23

500

4x + 7 = 31

6

Computation

100

Mental Math 

0 x 0

0

200

MENTAL MATH

60 - 10 = 

50

300

Mental Math 

1x 100

100

400

MENTAL MATH

10 + 15 + ___ = 241

216

500

MENTAL MATH

6-3-54

-51

Geometry

100

Supplementary angles measure______ degrees.

180

200

If two angles form a right angle, then they are complementary (True/ False)

true

300

Made up of points with no thickness or width

line

400

How many degrees are in a triangle?

180 degrees

500

What is the complement of an angle measuring 15 degrees?

75 degrees

Number Theory

100

MENTAL MATH

9x 5 = 

45

200

MENTAL MATH

1/2 +1/2

1

300

MENTAL MATH

13 x 3  = 

39

400

MENTAL MATH

5 x 3 x 9 = 

135

500

Mental Math 

3/2 divided by 1/8

12

Miscellaneous

100

MENTAL MATH

what is the opposite of division

multiplication

200

MENTAL MATH

400 / 5 =

80

300

How many centimeters make up a meter?

100

400

If a store offers a 10% discount on a $1,200 laptop, how much will you save?

$120

500

If a recipe calls for 2/3 cup of sugar, how much sugar is needed if you want to make 4 batches of the recipe?

8/3 cups (or 2 2/3 cups)