Expressions
Write the following statement as a mathematical expression:
4 less than twice a number, x.
2x-4
-3-(-5)
2
Evaluate:
4/9 * 18/8
1
Solve
20x=4
1/5
Which is a better buy?
6 pencils for $1.20 or
10 pencils for $1.90
10 pencils for $1.90
Write the following as a mathematical equation:
The quotient of 14 and a number, x, is 10
14/x=10
2(-3)(-4)
24
Evaluate:
4frac[2][3]-:-3frac[5][6]
-28/23 or -1frac[5][23]
Solve
1/3 x=12
36
Which sets of numbers does -3 belong to?
Choose from: Natural, Whole, Integer, Rational, Real
Integer, Rational, Real
Evaluate:
15/3+2(1+3)
13
-1-4+9
4
Evaluate:
2/3+4/5
22/15 or 1frac[7][15]
Solve
0.2-1.4x=3
-2
Evaluate:
frac[4/5][2/3]
6/5
If x=3 and y=5, evaluate:
xy-6
9
Evaluate if a=6 and b=3
b-a-:b
1
Evaluate:
-3frac[3][4]-6frac[1][8]
-79/8 or-9frac[7][8]
3/4-4/5x=7/10
1/16
What property is displayed here?
a(bc)=(ab)c
Associative Property of Multiplication
Simplify:
3(2x+4)-2(x-1)
4x+14
Evaluate:
|-15/5|* (-2)
-6
Order from least to greatest:
-1/4,- 0.2, -1/3, -0.3, -2/9
-1/3, -0.3, -1/4, -2/9, -0.2
Solve:
5x-3(2x+1)=6x+4-8x
7
Evaluate:
frac[3-5][2*4^2]
-1/16