Math Quiz 1

A bike originally priced at $350.00 is put on clearance for $150.00. What is the percentage discount?

$350 - $150= $200 200 / 350 = .571428 round it up its 57%

Mary makes costume bracelets and sells them at the market. It costs Mary $0.30 per bracelet for beads and $1.50 per bracelet for chain. Mary also pays a one-time booth rental fee of $60.00. If Mary sells 200 bracelets at $4.00 each, what is her profit?

$380.00

Julie buys 6 apples at $0.50 each, 4 rolls of paper towels at $1.50 each and 2 six-packs of soda at $3.50 each. She gives the teller at $20.00 bill. What change must the teller give back to Julie?

$4.00.

The coordinates of a line on a graph are (4, 8). If the line is running horizontally, what is another possible set of coordinates?

(6, -7)

Simplify: 4(x + 3) - 2(x + 6)

-4

What is -5^2?

-5 x -5 = 25

It's 5o below zero in Springfield, MA. By noon, the temperature dripped 3 more degrees. What is the temperature at noon?

-8o

Four students are working on completing a book together for their English class. Juli has completed 1/6 of the book. Jośe has completed 1/3 of the book. Amelia has completed 1/4 of the book. How much left is there for Roberto to complete so the book is finished?

1/6 + 1/4 + 1/3 by finding a common denominator. 18/24 reduce and get 3/4

Harry puts $1000 into his saving account. The account is yielding 6% annually. If he does not touch the money nor put any more into the account, how much money will Harry have in the account at the end of 3 years?

1060 * 6%= $63.60 = 1123.60 1123.60 * 6%= $67.42 = 1191

A plot of land has perimeter dimensions of 165 feet x 100 feet. How much of the land is left after a house 1/5 the size of the property is placed on the land?

13, 200

Solve: x - 7/6 - 2x + 4/2 = -4

2 5/8

A farmer sells bushels of pears for $20.00 per bushels plus a one-time $2.00 surcharge to each customer. If t = total money paid by one customer, and b = the number of bushels sold to the that customer, what equation in terms of t and b would apply?

20 dollars per bushel means 20b +$2.00 20t + 2.00 = t

A restaurant sells popcorn and peanuts. Popcorn is $2.00 a bag, and peanuts are $2.50 a bag. How much will customer spend to buy a boxes of popcorn and b boxes of peanuts?

2a + 2.5b

What is an equation for 5 less than twice a number?

2n - 5

Which of the following expressions matches the following narrative? 3 more than 4 times a number

3 + 4n

April has 32 long-sleeved and short-sleeved shirts in her closet. 21 of the shirts are long-sleeved. What percentage of her shirts are short-sleeved?

34%

Find the next term in the pattern 7, 14, 21, 28....

35

What is 4^3?

4 x 4 = 16 16 x 4 = 64

The number .67 is equal to:

65%

What is the greatest common factor of 32 and 24?

8

A teacher is giving an untimed test and is allowing students to solve problems in a multitude of ways. She is looking for:

Accuracy and Flexibility if it is an untimed test, the teacher is more concerned with accuracy than rate.

(a + b ) + c = a + (b + c) is an example of:

Associative property

What is the correct order of a student's thought process in geometry?

CRA (concrete, representation, abstract)

3/8 + 2/3=?

Find the common denominator, then add. 25/24

What is 5/8 + 3/4?

Get a common denominator, which is 8 5/8 + 6/8 = 11/8 reduce = 1 3/8

A student is solving the problem 536 + 43 + 27. The student decides to break the problem down like this: 500 + 40 30 + 20 6 + 3 + 7 The student is using what method to solve the problem?

Partitioning

José, Roberto, Alyssa, and Roger are all comparing distances from their houses to school. From school, José house is 2 2/5 miles away; Roberto's house is 2 5/8 miles away; Alyssa's house is 2 1/4 miles away; and Roger's house is 2 3/10. Order the students from longest to shortest distance.

Roberto, José, Roger, Alyssa

A student is solving the following equation: 4(x + 3) - 5(x +3) / 3 = 0 At what step did the student make her initial mistake? step 1: 4x + 12 - 5x - 15 / 3 = 0 step 2: -1x - 3 / 3 = 0 step 3:-1x - 1 = 0 step 4: x = -1

Step 2

Which of the following pairs of factors does NOT have greatest common factor equal to 8?

The GCF of 48 and 120 is 24

Which of the following is an appropriate first step in learning the concepts of finding the area of a rectangle?

Use tiles to form arrays and count the squares to figure out the area

What is 6^-2

Whenever a number is to a negative exponent, the result is 1 over the number. 1/6

If a=b and b=c then:

a = c

The expression f^3 - f^9 is equal to:

add exponents when you are multiplying f^12

Which one of the following is the prime factors of 140?

all of the prime factors of 140 are 2, 7, and 5= 14

The average arm span of an elementary school is 1 meter. Teachers want to show students how far 1/2 of a kilometer is. How many students should they bring outside to demonstrate 1/2 of a kilometer?

b

Lucy has two apples. Julie has five apples. How many more apples does Julie have than Lucy? This is an example of:

compare difference unknown

Mary sells handmade earrings the local street market. She made 3 times as much today as she did yesterday. She made $21 today. What type of problem is this?

comparison multiplication

The teacher is showing students how to divide 66 inches of fabric into six 11-inch parts. The teacher is using:

equal parts strategy

A student draws three circles and crosses two out during a subtraction lesson. She is using what types of learning method?

representation

Solve: 4x + 24 = 36

solve for x, 4x + 24 = 36 4x = 12 x = 3

A teacher is rolling a die on a desk and asking her student to say the number on the die by simply looking at it. When a student does this, the student is:

subitizing

if a = b, then b = a is an example:

symmetric property

What is the value of x in 5x + 13 = 23?

x = 2

Which of the following demonstrates the distributive property?

x(y + z) = xy + xz

A flagpole casts a shadow that is 12 feet long. A child who is 4 feet tall casts a shadow that is 6 feet long. How tall is the flagpole?

x/12 = 4/6 6x = 48 x = 8

A biologist is evaluating the population of seals on a polar icecap. Initially, she catches 200 seals and tags all of them. A month later, she find 80 seals, and 25 tagged. She can estimate the population of seals on the ice cap is:

x/200 = 80/25 cross multiply: 16000 = 25x. x = 640