Bell Work: Describe each as a whole number, an integer or a rational number. Use every term that applies /3
Answer: 4: whole, integer, rational -6: integer, rational -1/3: rational
Test Review
Draw a factor tree for 630 and then write the prime factorization of 630.
Answer: 2 x 3 x 3 x 5 x 7
Which of these numbers has both 3 and 5 as factors?
Answer: 405
A rectangular room is 15 feet long and 12 feet wide. What is the area?
Answer: 180ft squared
Albert will fence a rectangular plot of land 200 feet long by 150 feet wide. What is the perimeter of the plot of land?
Answer: 700 feet
The movie is 204 minutes long. How many hours and minutes is 204 minutes?
Answer: 204 minutes x 1 hour 1 60 minutes 3 hours 24 minutes
A half gallon of orange juice can fill how many 8 ounce glasses? (1 gallon = 4qt, 1qt = 2pt, 1pt = 16oz)
Answer: 2qt = 4pt 4pt = 64oz 64/8 = 8 glasses
The daily high temperatures for each day of the week are shown below. What was the mean high temperature for the week? 78, 82, 84, 85, 85, 83, 84
Answer: 83 Degrees
Find the Median temperature of the data. 78, 82, 84, 85, 85, 83, 84
Answer: 78, 82, 83, 84, 84, 85, degrees
Use prime factorization to reduce 45/210.
Answer: 3 x 3 x 5 2 x 3 x 5 x
What number completes the equivalent fraction?
Answer: 45/75
Arrange these seven numbers from least to greatest.
Answer: -1, 0, 2/5, ½, 2/3, 1, 4/3
Compare the absolute value of -6 and the absolute value of 6.
Answer: =
Which two numbers on the number line are seven units from zero?
Answer: -7 and 7
Which of the following correctly describe -3? Choose all answers that apply. Counting number Whole number Integer Rational number
Answer: Integer, Rational Number
The product of 12 and 8 is how much greater than the sum of 12 and 8?
Answer: 76
Use the associative and commutative properties to make the calculation easier. Justify the steps.
Answer: 4(23 x 25) 4(25 x 23) Commutative (4 x 25) x 23 Associative 100(23) 2300
Simplify $50 ÷ 8
Answer: $6.25
Simplify: 24 x $8.75
Answer: $210.00
Simplify ¼ of $25.00
Answer: $6.25
Simplify 2/3 of 144
Answer: 96
Arrange these fractions in order from least to greatest. 3/6, 3/5, 3/7
Answer: 3/7, 3/6, 3/5
Risa typed 216 words in 6 minutes. She typed an average of how many words per minute?
Answer: 36 words per minute
Two thirds of the 27 students in the class had perfect attendance for the first half of the year. How many students had a perfect attendance record?
Answer: 18 students
Twenty four cards were placed in each box, and 120 boxes were packed in each carton. How many cards were in a carton?
Answer: 2,880 Cards
Miguel has 400 minutes of pre-paid service on his phone each month. If he has used the phone for 3 ½ hours this month, how many pre-paid minutes of service remain?
Answer: 190 minutes left
The ferry could carry 12 cars across the river in one trip. Eighty cars were lined up to cross the river. How many trips will the ferry take to move all 80 cars?
Answer: 7 trips
Mitsy paid the cashier $20 and received $4.63 in change. Which equation below can NOT be used to find how much Mitsy spent? $ p = $20 $20 – p = $4.63 P - $4.63 = $20 P + $4.63 = $20
Answer: P - $4.63 = $20
The service club sold 50 granola cookies for 35¢ each. How much money did the club collect?
Answer: $17.50
The water level in the beaker rose from 80 mL to 113 mL when the toy car was submerged. The toy takes up as much volume as how many milliliters of water?
Answer: 33 mL
Arrange these numbers from least to greatest. -3, 2, 0, -1, 4
Answer: -3, -1, 0, 2, 4
Name a pair of whole number factors whose product is 8.
Answer: 1 and 8 or 2 and 4
Name the property illustrated by this equation. 3 + (4 + 5) = (3 + 4) + 5
Answer: Associative Property of Addition
What number is the opposite of 2?
Answer: -2
What two numbers have an absolute value of 5?
Answer: -5 and 5
Use the associative and commutative properties to make the calculation easier. Justify the steps. 6 x (14 x 5)
Answer: 6 x (14 x 5) 6 x (5 x 14) Commutative (6 x 5) x 14 Associative 30 x
Compare: 3 –
Answer: 3 – 5 < 5 – 3
Simplify $100 – $90.80
Answer: $9.20
Simplify 36 x $0.84
Answer: $30.24
Simplify $40.80/24
Answer: $1.70
Simplify ¼ of 144
Answer: 36