Topic 1
What is the value of 1,242/18?
69
Swimmers dive to 60 and 65 feet below the surface of the ocean. Write the depth closest to the surface as an integer.
-60
The same digits are used for the expressions 34 and 43. Compare the two expressions using <, >, or =.
34>43
What is a rational number?
Decimal or Fraction
Chris and Jeff sold 15.5 pounds of trail mix. They sold the trail mix for $3.98 per pound. How much money did they collect?
$61.69
Jeremy listed five rational numbers from least to greatest.
6/3, -3/4, 1.5, 0.25, -5/4
-5/4, -3/4, 0.25, 1.5, 6/3
What is the GCF and LCM of 9 and 15?
GCF: 3
LCM: 45
What is a variable?
It is a letter/symbol that represents an unknown quantity.
What is the length of a rectangle with an area of 8 1/10 square feet and a width of 2 1/4 feet?
3 3/5 ft
Write an ordered pair for the point in Quadrant III that is 3 units away from point Q(1.5, -1.5) on the coordinate plane.
(−1.5, −1.5)
Evaluate: (375/s) - 236.5; s=1.5
13.5
What is an expression?
Ex. 4+4
Raven is making pillows. Each pillow requires 35 yards of fabric. Raven has 623 yards of fabric. Find the number of pillows Raven can make.
17 pillows
Ella draws a map of her vegetable garden. She wants to plant beans 4 feet away from the peas and 5 feet away from the corn. What is the ordered pair of the beans?
Peas: (3, -2)
Corn: (-2, 2)
Tomatoes: (-3, -3)
Beans: (2, 2)
Evaluate:
(4.4 + 7.6)x - (24/12)x
10x
What does it mean to substitute (in math)?
Employees of a landscaping company built a retaining wall with an area of 23 3/8 sq ft. They used brick to make the top portion of the wall. The wall length is 8 1/2 ft long.
What is the total height of the wall?
2 3/4 ft
Draw a polygon with vertices R(-4, 2), S(2, 2), T(2, -2), and U(-4, -2). What is the perimeter, in units, of polygon RSTU?
20 units
4n + 22 - 12 + 8n
12n-8
What is an algebraic expression?
It is an expression that includes at least one variable and at least one operation.