Equations and Variables
Combine like terms:
4b + 2b + 3c + b2
b2 + 6b + 3c
What is 3/4 as a decimal?
.75
What is 4/10 as a decimal?
Evaluate the problem below with x = 1
3 + x
4
If a square has a side of 2cm, what is the area?
4cm2
Solve :
4 + x = 13
x = 9
What is 0.5 in as a fraction. Must be in simplest form.
5/10 = 1/2
What is .4 x .5?
Evaluate the problem below with b = 2
2b + 3
7
A rectangle has a length of 5in and width of 4in. What is the area?
20in2
Solve:
2x = 14
x = 7
What is 1 2/8 + 3/4?
2
What is .25 x .2
0.5
Evaluate the problem below with c = 5
2c + 3c
25
A rectangle has a length of 6cm and a width of 5cm. What is the perimeter?
22cm2
Solve:
4x = 48
x = 12
What is 2/3 x 4/5 in simplest form?
8/15
What is 0.37 + .4
0.77
Evaluate the problem below with c = 5 and b = 2
c - 2b
1
What is the area of a triangle with a base of 4in and a height of 2in?
area = 4in2
Write an equation for the problem below:
Sarah went to the store and bought a certain amount of bags of cookies. There were 5 cookies in each bag. If she had 25 cookies total, How many bags did she buy?
5c = 25
c is amount of bags.
4/5 x 3/2
12/10 = 1 2/10
1 1/5
What is .325 - .21
0.115
Write an expression for this problem:
Kate had 3 bags of chips with 45 chips in each bag. How many chips does she have?
3 x 45
A family is redoing their bathroom. The floor is a rectangle that has a side of 6ft and another side of 20ft. How much will it cost to tile the floor if tile is $1.50 per foot.
6 x 20 = 120
120 x 1.50 = $180