Problem Solving #1
X * - 3 = +21
-7
What is the opposite of -19?
+19
Before and After
______ - 15 ________
-16 and -14
Combine the like terms:
10x + 1x + 2x = ________
13x
What is the absolute value of -23?
+23
This questions has 2 answers:
Greater Than, Less Than, or Equal To
-10 _____ 0
-11 _____ -12
< Less Than
> Greater Than
Area of a Triangle (A = 1/2 x b x h)
b = 22 cm
h = 10 cm
110 cm squared
+7
X + -10 = +30
+40
x / -5 = +40
-200
Substitution (x =6)
3x + 10x + 4x = ________
102
Put these integers in order from least to greatest:
-5, 0, -12, -6, -3
-12, -6, -5, -3, 0
There are 3 answers to this question:
Convert to a Percent
1/5 = _______
1/4 = _______
1/8 = _______
20%
25%
12.5%
This question has 2 answers:
-3 x -15 = _______
+40 / -8 = _______
+45
-5
Area of a Parallelogram (A = b x h)
b = 25 in
h = 10 in
250 inches squared
This question has 3 answers:
Convert the percents to fractions
75%
60%
30%
3/4
3/5
3/10
This question has 3 answers:
Convert the decimals to percents
.09 = _______
.595 = _______
4 = _______
9%
59.5%
400%
This question has 2 answers:
-5 + +20 = ______
-5 - +20 = _____
+15
-25
This question has 3 answers:
Change the percent to a decimal
90% = ______
.5% = ______
200% = ______
.90 or .9
.005
2
Area of a Rectangle (l x w)
l = 15 m
w = 4 m
60 m sqaured
Area of a Square (s x s)
s = 12 cm
A = 144 cm squared
Volume of a Cube (l x w x h)
l = 12 in
h = 4 in
w = 2 in
96 inches cubed
This problem has 2 answers:
Unit Rate
140 miles in 5 hours
Unit Cost
$15 for 10 pencils
28 miles per hour
$1.50 per pencil
This question has 2 answers:
Missing Term Is this a Proportion?
4 = x 3 = 18
5 15 10 60
x = 12
Yes 180 = 180
Volume of a cube (e x e x e)
e = 5 in
125 inches cubed