Simplifying Expressions
Linear Equations
Factorize
Transform Formulae
~ Mystery ~
100
Simplify:
4x - 3 + 8x - 9
12(x - 1)
100
Solve for X:
4x + 3 = 31
x = 7
100
3x + 6
3(x +2)
100
Make b the subject:
a + b = c
b = c - a
100
Quantitative or Qualitative?
The color of student's socks
Qualitative
200
Simplify:
2 - 5(x + 2)
-(5x + 8)
200
12x + 1 = 7x +11
x = 2
200
Factorize:
13x - 26y
13(x - 2y)
200
Make b the subject:
ab + c = d
b = (d - c)/a
200
We asked students what their favorite snacks were. How many more people said their favorite snack was fruit than crackers?
7
300
Simplify:
8x - 2(3-2x)
6(2x-1)
300
(x+3)/2 = x
x = 3
300
Factorize
9m2 - 33m
3m(m - 11)
300
Make b the subject:
(x - a)/b = c
b = (x - a)/c
300
100 people took a survey about their favorite color.
The results are shown below. How many said orange or white was their favorite color?
23
400
Simplify:
2x(3x+1) - 2(3-2x)
6(x2+x-1)
400
4 + 2(2-x) = 3 - 2(5-x)
x = 15/4
400
Factorize:
(1/2)a + (3/2)b
(1/2)*(a + 3b)
400
Make a the subject:
a(n - m) = t
a = t/(n-m)
400
Johnny is really strong and loves doing push-ups. How many push-ups did he do during the weekend (Saturday and Sunday)?
45
500
Simplify:
5q2 - 2q(q-12) -3q2
-24q
500
Solve for X:
7x - (3x + 11) = 6 - (5 - 3x)
x = 12
500
x(3+y) + 2(y + 3)
(3 + y)(x + 2)
500
Make y the subject:
x(c-y) = d
y = - (d - xc)/y
500
Name an example of continuous data.
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