EM212 Presentation

Sum/Difference

100

Subtract 

872-549

 323 

200

What is the sum of 245 and 387?

632

Area

100

Find the area of a triangle with a base of 8 cm and height of 5 cm. 

(Hint: Formula for area of a triangle is 

 ((base)times(height))/2 )

20cm^2

200

Find the area of a rectangle with length 10cm and width 6cm.

(Hint: The formula for area is (length)x(width))

60cm^2

Product/Quotient

100

What is the product of 13 and 7?

 92 

200

Simplify  3/4+5/4 

1

Misc.

100

A rectangle has a length of 10 cm and a width of 4 cm. What is its perimeter?

(Hint: "Perimeter"=2times("length"+"width") )

 24cm 

200

What is the median of the following set of numbers:  10,12,15,18,20 .

(Hint: the median is the middle number)

15

Decimals

100

What is  5.3+1.4 ?

7.7

200

Convert 0.75 into a fraction.

(Hint: 0.75 means 75 out of 100)

75/100 =15/25

More Misc.

100

A jacket is on sale for 25% off. If the original price is $80, what is the sale price?

80-(80*0.25)=80-25=$55

200

Simplify:

8 times(4+2)

(Hint: Remember BEDMAS? Brackets, Exponents, Division, Multiplication, Addition, Subtraction)

 48

 

Solve for a Variable

100

Solve for y: 5y-4=21 .

(Hint: isolate 5y by adding 4 to both sides, the divide)

y=sqrt(5)

200

Solve for x: 

3x=18

 x=6