What property does this represent:
(a)(b)=(b)(a)
a) Identity Element
b) Associativity
c)Commutativity
c) Commutativity
Add.
(2/3)+(1/3)=
(3/4)+(1/4)=
3/3=1
4/4=1
Convert to decimal.
4/10
.4
Ratios can compare..
a) part to part
b) part to whole
c) whole to part
d) all the above
D
20% of ____ is 10
a) 200
b) 50
c) 20
d)500
B) 50
True or False.
(-8)(3)=(-3)(8)
True
-24=-24
What fraction does this image represent?
a)2/5
b)3/9
c)3/10
d) 3/4
c) 3/10
Add
0.0057+ 23.546
23.5517
Solve the following
3:4 = 12:x
x=16
Simplify the expression.
3x+6y+2x-4y
5x-2y
Multiplication is...
Repeated Addition
Simplify the fraction.
25/35
5/7
Arrange from least to largest.
0.45, 0.2, 0.65, 0.212, 0.12
a) 0.12, 0.45, 0.2, 0.212, 0.65
b) 0.12, 0.2, 0.212, 0.45, 0.65
c) 0.2, 0.212, 0.45, 0.12, 0.65
B
True or False. Explain
This is a proportion..
2:5=5:10
False, Product of means do not equal product of extremes.
Solve for x
2x+10=20
X=5
5+3*4=
17
Divide.
(4/5)/(2/3)
6/5
Multiply
(1.01)* 200
202
A gardening club has 21 members, of which 13 are males and the rest are females. What is the ratio of females to all club members?
8:21
Solve.
1/4x + 4=29
x=100
Give two examples that produce a positive product.
Ex: (+x)(+n)=positive and (-x)(-n)=postive
(2/3)+(3/4)*(1/5)=
49/60
Divide
(6.02)/(.04)
150.5
A pattern has 4 blue triangles to every 12 yellow triangles. What is the ratio of blue triangles to all triangles?
1:4
A company donates 935 pencils to a school. The pencils are divided evenly among 9 classrooms. The rest of the pencils are given to the library. How many pencils were donated to each classroom and to the library?
935 ÷ 9 = 103 remainder 8 Each classroom received 103 pencils, and the library received 8