Number Fluency
62.5
A bag has 4 red marbles, 7 blue marbles, and 10 yellow marbles. Ratio of yellow to red
5:2
35% of 20
7
Combine like terms.
4x + 5 + 3x + 2 + x
8x + 7
53
125
2/3 divided by 4/5
5/6
A soccer player runs 6 laps in 15 minutes. At this rate, how many laps can he run in an hour?
24
25 is what percent of 125
20%
Simplify. 5(x + 8)
5x + 40
Solve the proportion. 3/5 = x/20
12
2 x 5 x 5
Fill in the table. 5 8 14
15 24 ?
42
12 is 30% of what number?
40
Solve for m. 5m = 24.15
4.83
4(x + 7) illustrates which property?
Distributive
LCM of 6, 8, and 20
120
Are the following ratios proportional?
3:7 12:28 18:42
yes
A meal costs $28. Calculate a 15% tip.
$4.20
8x + 3
The 8 is called ________. The 3 is called ________
coefficient, constant
Calculate 8% tax on a $16 purchase.
$1.28
5 x (4 + 9) - 23
57
On a graph, the unit rate can be found at this point?
(1, k)
Carla guessed that there were 256 Hershey kisses in a jar. There were actually 340. Find the percent of error. Round to the nearest whole number.
25%
Evaluate. 6a + 3b - 2c if a = 5, b = 9, and c = 3.
51
Calculate simple interest on $5,000 for 3 years at 5%.
$750