3rd Grade
23 x 7?
161
Reduce the fraction 18/24 to its simplest form.
3/4
Solve for x: 3x + 7 = 22
x = 5
Solve for x: 8x - 3 = 2x + 21
x = 4
Find the slope of the line that passes through the coordinates (-1, 4) and (3, 1).
(write your answer as a fraction)
x = -3/4
A camp counselor buys 6 packs of custom stickers for $4.25 each. If they pay with a $50.00 bill, how much change do they receive?
$24.50
A camp store sells snacks for $3.00 each. If a camper buys 4 snacks and pays with a $20.00 bill, how much change do they get back?
$8.00
Solve for y: y/3 - 7 = -10
Solve for w: 5w - 2 = 2w + 6
(write your answer as a mixed number)
w = 2 2/3
Solve for x by isolating the radical:
3 x sqrt{2x + 1} - 2 = 13
sqrt = square root
x = 12
Solve for the missing number: [(6 x 8) - 12] divided by ? = 9
4
A large camp water jug holds 5 gallons of water. If the counselors use a 3-cup scoop to hand out water, how many full scoops can they get out of the jug before it is empty? (Note: 1 gallon = 16 cups)
26 full scoops
Solve for a: 6a + 5 = 2
a = -1/2
Expand and simplify the expression completely:
(2x - 3)(x + 4)
2x^2 + 5x - 12
Solve this system of equations for the exact value of x and y:
2x + 3y = 13
x - 2y = -4
x = 2
y = 3
Subtract the sum of 1/4 and 1/8 from 1. Write the answer as a fraction.
5/8
A rectangular camp field is 15 meters long and has a total area of 120 square meters. What is the total perimeter of this field?
46 meters
Evaluate the expression: 5 + 2 x (3^2 - 4) / 2
10
Solve the inequality for x:
-3x + 5 < 20
x > -5
Find both solutions for x by factoring:
3x^2 - 10x + 3 = 0
x = 3
x = 1/3
(Factors into (3x - 1)(x - 3) = 0)
A camp relay race starts at 10:35 AM. If each of the 4 runners takes exactly 18 minutes to complete their lap, at what exact time does the race end?
11:47 AM
Find the sum of all the prime numbers that are greater than 20 but less than 40.
120
Solve for m: 4m + 9 = 2
(write answer in decimal form)
m = -1.75
Factor this quadratic expression completely into two binomials: x^2 - 3x - 28
(x - 7)(x + 4)
Simplify the expression completely using exponent rules, leaving no negative exponents:
12x^-3 y^5 / 4x^2 y^-2
3y^7 / x^5