Percentages
Decimals
Algebra
Equations
Geometry
100

Convert 20% into the following

Decimal:

Fraction:

Decimal: 0.20

Fraction: 20/100

100

multiply the following ( use a paper )

1)2.5*6

2)17.8*4

1)15.0

2)71.2

100

Sami has 2 boxes of strawberries and 7 strawberries leftover. How many strawberries does he have if each box had:

5 

9

p

5*2+7

9*2+7

2p+7
100

3x-6=-21 

x=___

x=-5

3*-5-6=-21

-15-6=-21 

100

The formula for the area of a triangle

What is B/2 * H

200

A class has 20 students, eleven are girls, and nine are boys. What percentage of the class are girls and what percentage are boys.

Girls: 11/20   *5 *5

55/100——————>55% are girls.

Boys: 9/20    *5 *5

45/100——————>45% are boys.

200

Add or subtract the following:

587.30-78.36

657.79+365.32

78.6+345.8-73.2

587.30-78.36=508.94 

657.79+365.32=1,023.11 

78.6+345.8-73.2=351.2 

200

Product notation, simplify the following:

1)x+x+x+x-y-x

2)7x+x-3x+x3



1)3x-y

2)5x+x3

200

Solve by inspection:

1)2x=7.5

x=__

2)7-3x=1

x=__

1)2*3.75=7.5

x=3.75

2)7-3*2=1

x=1

200

The length of a rectangle is 5cm and its width is 7cm. What is the area?

5*7=35cm2

300

38.7% of $60

38.7/100*60/1=23.22 

$23.22

300

Sarah buys 2 fruit cups each costing $2.5 and buys 3 strawberry punnets each costing $5.8. Then, she uses a coupon to discount $8 from the total. Find the total price and discounted price.

2.5*2=5 

5.8*3=17.4 

5+17.4=22.4 

22.4-8=14.4 

$22.4 total price

$14.4 final price
300

Exponential Notation, expand the following:

1)y5-x2

2)m2+7-x3

1)y*y*y*y*y-x*x

2)m*m+7-x*x*x

300

State the rule for finding the perimeter of a shape.

What is adding all sides of a shape?

400

What is:

28% of 8

56% of 87

28/100*8/1=2.24

28% of 8=2.24

56/100*87/1=48.72 

56% of 87=48.72

400

Collect the following like terms.

1)2x+3m-5x

2)x+x+x-2x+7y

3)5z-3x+7y-2z

1)-3x+3m

2)1x+7y

3)3z-3x+7y

400

The formula for the area of a trapezoid and parallelogram.

Parallelogram: B*H

Trapezium:B1+B2/2 * H


500

A 30% discount is given to a phone with the price of $900, however it is followed with a 5% tax. What is the discounted price and final price?

30/100 * 900/1

30/1 * 9/1=$270 discount

900-270=$630 discounted price

5/100 * 630/1

5/10 * 63/1=$31.5 tax

630+31.5=$661.5 final price

The discounted price was $630 and the final price was $661.5.

500

Divide

8.97/0.3

then multiply the answer by:

7


8.97/0.3——————>89.7/3

89.7/3=29.9 

29.9*7=209.3 
500

If x=-8 solve

1)2x

2)x/4+7

3)x2-9

1)-16

2)5

3)55

500

(1*4-7+x)/-3 +2=1

x=____

1*4-7+x/-3 +2=1

-3+x/-3 +2(-2)=1(-2)

-3+x/-3(*-3)=-1(*-3)

-3(+3)+x=3(+3)

x=6

500

A trapezium has a height of 2ft and has a base of 8in and 6in, and has a side length of 7in. What is the perimeter and area. (Hint: Each foot is 12 inches long)

Perimeter: 8+6+7+7=28in

Area:8+6/2 * 7

7*7=49 


M
e
n
u