Ratios and Rates
Every one person has two legs.
If there are 16 legs, how many people are there?
8 people
Find the value of each expression:
|5|
|-3|
5
3
Solve
123.8+ 4.305 =
123.8+ 4.305 = 128.105
Solve for x:
3x = 21
x = 7
96 ÷ 3 = ?
96 ÷ 3 = 32
A recipe for a single cake calls for 3 eggs and 2 cups of flour.
Fatima has a dozen (12) eggs and plenty of flour and wants to make as many cakes as possible.
How many cakes can she make and how much flour should she use?
4 cakes, 8 cups of flour
Which is greater?
4 or -8
-4 or -6
-7 or -1
4 is greater than -8
-4 is greater than -6
-1 is greater than -7
Solve:
418 - 30.26 = ?
418 - 30.26 =387.74
Distribute
5(2x - 3)
10x - 15
Solve:
952 ÷ 7 = ?
952 ÷ 7 =136
Answer: 14 miles
Steps:
21 miles ÷ 3 hours = 7 miles per hour speed
7 miles per hour x 2 hours = 14 miles
Order these numbers from least to greatest:
1.5, -5, -5.5, 3, |-6|
-5.5, -5, 1.5, 3, |-6|
Solve
2.3 x 51 = ?
2.3 x 51 =117.3
Solve for x:
x ÷ 4 = 23.2
x = 92.8
Solve:
8.4 ÷ 4 =?
8.4 ÷ 4 = 2.1
Four pizzas cost $28. How much would 9 pizzas cost?
Answer: $63
Steps:
$28 ÷ 4 = $7 per pizza
$7 x 9 = $63 for 9 pizzas
Order these numbers from least to greatest:
|-1/2|, 1/4, -3/4, -1/2, -2
-2, -3/4, -1/2, 1/4, |-1/2|
Solve:
0.013 x 2.5 = ?
0.013 x 2.5 =0.0325
Solve for x:
(3/4)x = 9
x = 12
Steps:
4 * (3/4)x = 9 * 4
3x = 36
3x/3 = 36/3
x = 12
Solve in decimal form:
3 ÷ 8 =?
3 ÷ 8 =0.375
Three candy bars cost $4.32. How much money is needed to buy 11 candy bars?
Answer: $15.84
Steps:
$4.32 ÷ 3 = $1.44 per candy bar
$1.44 x 11 = $15.84 for 11 candy bars
Order these numbers from least to greatest:
1, -8/5, |-3/5|, -8/4, -7/5, -1
-8/4, -8/5, -7/5, -1, |-3/5|, 1
Solve:
7.5 ÷ 2500 = ?
7.5 ÷ 2500 =0.003
Solve for x:
4(2x - 8) = 0
x = 4
Steps:
4*2x - 4*8 = 0
8x - 32 = 0
+32 +32
8x = 32
8x÷8 = 32÷8
x = 4
Solve:
7.02 ÷ 0.13 = ?
7.02 ÷ 0.13 = 5400