(Readiness: 7.4A, 7.7A | Supporting/Spiral: 7.4B, 7.4C, 7.4D, 7.7AD)
Simplify the Expression: 6x+4−2x
4x+4
Write the ratio 12 girls to 8 boys in simplest form.
3:2
If 5 notebooks cost $7.50, how much does 1 notebook cost?
Cost=$1.50
Find the mean of:
5, 7, 9, 9
7.5
Simplify the expression and explain your steps:
4(2x+5)−3x+6
5x+26
3(2x+5)−x
5x+15
A car travels 180 miles in 4 hours.
45 miles per hour
A recipe uses 3 cups of flour for 8 cookies.
How many cups of flour are needed for 16 cookies?
6 cups
Identify the median and mode of the data set:
2, 4, 4, 6, 8, 10
Median = 5; Mode = 4
How many days until Christmas
8 days
Write an equivalent expression for:
4x+12
4(x+3)
Convert 9/20 to a decimal and percent.
0.45 and 45%
A map scale shows 1 inch represents 25 miles.
Cities are 3.6 inches apart. How far apart are the cities?
90 miles
The angles of a triangle are in a ratio of 2:3:4.
Find the measure of each angle.
40°, 60°, 80°
How many days until spring?
90 days
Solve the equation and justify each step:
2(x−3)=14
x=10
A $120 jacket is discounted by 25%.
$30 discount; $90 final price
A store increases prices by 10%.
An item originally costs $40.
What is the new price?
$44
A rectangle has a perimeter of 36 cm and a length of 10 cm.
Find the width
8 cm
A map uses the scale 1 inch = 12 miles.
Write a proportion to represent this relationship.
How many miles does 3.5 inches represent?
x=42 miles
Solve and check your solution:
3y/5+2=11
y=15
A student earns 18 correct answers out of 24 questions.
Write this as a fraction
Convert to a percent
Determine if the score is a passing grade (70%)
24/18=4/3; 75%; Yes, passing
A school fundraiser raises $450 in 3 days at a constant rate.
Find the daily rate
Predict how much will be raised in 7 days
$150 per day; $1,050
Two classes recorded their test scores.
Class A: 70, 72, 75, 78, 95
Class B: 70, 72, 75, 78, 80
Find the mean and median for both classes.
Which class shows greater variability? Justify your answer using the data.
Class A:
Mean = 78, Median = 75
Class B:
Mean = 75, Median = 75
Class A shows greater variability because the outlier (95) increases the spread of the data.
What's the next school Holiday in January?
Martin Luther King Day