Integers
-8+13
5
Now would you write 75/100 as a decimal?
0.75
Solve for x:
3x−5=16
x=7
Find the area of a triangle with base 10 cm and height 6 cm.
1/2 x 10 x 6 = 30 cm2
-36/6 =
-9
15 - (-4)
19
3/4 + 1/2 =
3/8
Solve for y
2y+4= -6
y= -5
Find the perimeter of a rectangle with length 8 cm and width 5 cm.
2(8+5)=26 cm
x- 20= 40
-6 - 9
15
2.4÷ 0.6=
4
Solve
2x- 4 = x -10
x= - 4
What is the mean of these numbers: 5, 7, 9, 6, 3?
6
If 5 pencils cost $2, how much do 12 pencils cost?
2/5 =x/ 12, x = 4.8
The pencils cost $4.80
-8+15
7
5/8 - 1/4=
0.375
4x - 2(x - 5) = 3x
x=10
List all the factors of 18.
1, 2, 3, 6, 9, 18
Emma has 5 packs of pencils. Each pack has 12 pencils. How many pencils does she have in total?
60 pencils
-100 - 55
-155
Convert 0.375 to a fraction in simplest from
3/8
Simplify
-3x + 4y +5x - 3y
2x + y
What is the perimeter of a square with side length 9 cm?
36 cm
4.2 - 1.8 =
2.4