Expressions & Equations
4x + 12
Alex has 2 dogs and 5 cats. What is the ratio of cats to dogs?
5:2
5 to 2
5/2
2.3 + 5.7
8.0 or 8
What is the opposite of 3? (opposite of positive 3)
-3
Convert 22% to a decimal
.22
Write an expression for two times a number plus 8
2x + 8
OR
2 X x + 8
Cantaloupes are being sold for 2 for $1.25. What is the unit rate (price per 1 cantaloupe)?
0.625 cents/cantaloupe
0.63 cents/cantaloupe
Divide 45 / 3
(no calculator!! long division)
15
What is the opposite of -9? (opposite of negative)
9
What unit of measurement should be used to represent the weight of a cruise ship?
a. grams
b. kilograms
c. ounces
Kilograms
Write 5 x 5 x 5 x 5 x 5 x 5 in exponential form
56
The ratio of girls to boys in class is 4:3. If there are 16 girls in the class, how many boys are there?
12 boys
Divide 2/3 by 4/5
(KFC- Keep Flip Change)
10/12 or 5/6
What number is closest to 0 on the number line?
a. -5
b. 5
c. -1
-1
A basket of fruit contains 3 bananas, 2 apples, 1 lime, and 5 oranges. What is the ratio of oranges to TOTAL fruit?
5:11
Solve for x:
3x = 15
x = 5
What is 25% of 24?
(is/of x %/100) Cross multiply and divide by the lonely guy!!
6
What is the order of x and y when writing an ordered pair? (x,y) or (y,x)
(x,y)
Represent losing 8 yards in football with numbers
(+8 or -8)
-8 yards
Convert 1/2 to a decimal
The 6 in the expression "6x" is called what?
Coefficient
Aidan is 66 inches tall. How tall is Aidan in feet?
*1 foot = 12 inches
5.5 ft
5 1/2 ft
What is the name of the 4 regions of the coordinate plane?
Quadrants
Divide 32 / 2
16
On Friday, Mrs. Kenney walked x amount of miles after school. On Saturday, she walked x amount of miles PLUS an extra 2 miles. Write an expression to show how many miles Mrs. Kenney walked on Friday and Saturday combined.
x + x + 2
OR
2x + 2