March Mathness!

Equations & inequalities

100

What is x - 3 = 12?

15

200

Solve for x: x + 19 = 4x - 2

x = 7

300

What is the solution of x below? 2 ≤ 2x+1 < 3

[0.5,1)

400

Solve for x: −5(1−5x)+5(−8x−2)=−4x−8x

x=-5

500

Altogether, Michael and his two friends have exactly $30 to spend on lunch. Hot dogs cost $3.50 and drinks cost $1.50. If they each get two hot dogs, how many drinks can they buy?

6 drinks

Fractions & Remainders

100

What is (-1/3) + (3/8) ?

1/24

200

(2+(4/5)) - (5/8)

2+(7/40)

300

(-3/2) ÷ (-10/7)

21/20

400

Simplify the expression. Must simplify the answers.

(12/35)*(7/4)-(3/10+2/5)

-1/10

500

Sarah wanted to make jump ropes for herself and her friends, so she went to a store and purchased 100 feet of rope. If each jump rope is 7 feet long, how many jump ropes could Sarah make and how many feet of rope will she have left over?

2 feet

Negatives

100

Simplify the expression.

32-47

-15

200

Which number is farthest to the left on the number line?

a. 326

b. -34

c. 14

d. -2

b. -34

300

Multiplying 7 negative integers will result in a ...

Negative Integer

400

Is -2^4 equal to (-2)^4

No, the negative is only included with the exponent when in parenthesis!

-2^4=-16;  (-2)^4=16

500

-2(4)+(4-7)^3-15

-50

Word Problems

100

Barb is twice Mary's age. Mary is 43 years old. How old is Barb?

86

200

The number of states that joined the United

states between 1776 and 1849 is twice the

number of states that joined between 1850 and

1900. If 30 states joined the United States

between 1776 and 1849 and x states joined

between 1850 and 1900, which of the following

equations is true?

A) 30x = 2

B) 2x = 30

C) x/2= 30

D) x + 30 = 2

B

300

You baked muffins and put them out on the windowsill to cool. A stray dog ate 12 of them, which was 3/10 of the total number of muffins you made. How many muffins did you bake?

m = muffins baked

12 = (3/10)m

m=40

400

The price of a BMW car went from $1.50 to $2.50 over a period of 4 years. Find the average increase per year.

25 cents per year

500

A real estate broker earns a fixed percentage of the selling price of a house as a commission. The broker sold a house for $278,000 and earned a commission of $16,680. What would the broker’s commission be on a house that sells for $324,000?

A. $14,311

B. $19,440

C. $46,000

D. $62,680

B

Misc.

100

What number is in the hundredths place?

126984.4357

3

200

Is the number sentence true or false?

6(3)=24

False

300

Find the GCF of 55 and 75

5

400

Which of the following equations has no real

solution for x?

A) |x + 5| = 6

B) |x – 3| = 0

C) |x + 8| = -2

D) All of these equations have at least one real

solution.

C

500

In air, the speed of sound S, in meters per

second, is a linear function of air temperature T,

in degrees Celsius, and is given by

S(T) = 0.6T + 331.4. Which of the following

statements is the best interpretation of the

number 331.4 in this context?

A) The speed of sound, in meters per second, at

0°C.

B) The speed of sound, in meters per second, at

0.6°C.

C) The increase in the speed of sound, in meters

per second, that corresponds to an increase of 1°

A