Subtract
872-549
323
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
What is the product of 13 and 7?
92
A rectangle has a length of 10 cm and a width of 4 cm. What is its perimeter?
(Hint: "Perimeter"=2times("length"+"width") )
24cm
What is 5.3+1.4 ?
7.7
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
Solve for y: 5y-4=21 .
(Hint: isolate 5y by adding 4 to both sides, the divide)
y=sqrt(5)
What is the sum of 245 and 387?
632
Find the area of a rectangle with length 10cm and width 6cm.
(Hint: The formula for area is (length)x(width))
60cm^2
Simplify 3/4+5/4
1
What is the median of the following set of numbers: 10,12,15,18,20 .
(Hint: the median is the middle number)
15
Convert 0.75 into a fraction.
(Hint: 0.75 means 75 out of 100)
75/100 =15/25
Simplify:
8 times(4+2)
(Hint: Remember BEDMAS? Brackets, Exponents, Division, Multiplication, Addition, Subtraction)
48
Solve for x:
3x=18
x=6