Review For Test #3

Place Value Decimals to Fractions Prime/ Composite Equivalent Fractions Rounding

Question What does the digit 9 represent in the number 935,254,683,112? a. Nine billion b. Nine hundred billion c. Nine million

Answer 1 – 10 b. Nine hundred billion

Question The TV reporter reported that WACO received four and sixty-nine hundredths inches of rain last week. How is this number written as a decimal? a b c. 4,069

Answer 1 – 20 a. 4.69

Question Use the digits 7, 9, 2, and 4 to write the largest possible whole number in the spaces below. Each digit is only used once. ____,____ ____ ____

Answer 1 – 30 9,742

Question Which value is greater than seventy- eight thousand five hundred thirty? a. 78,530 b. Fifty-two thousand c. Ninety thousand

Answer 1 – 40 c. Ninety thousand

Question Which decimal number should be placed in the blank so that the numbers are in order from greatest to least? 0.5 ______ a b c. 0.51

Answer 1 – 50 b

Question

Answer 2 – 10 b. 0.8

Question The model below can be written as a decimal and a fraction. Which is the correct answer for the shaded part of this model? a..65 or 65/100 b..35 or 35/100 c..65 or 65/10

Answer 2 – 20 a..65 or 65/100

Question

Answer 2 – 30 b. 1.5

Question Which of the following pictures shows five hundredths? A. B.

Answer 2 – 40 B

Question Deidre shaded 2/5 of the circle. Write a decimal number that represents the shaded part of her circle. a. 0.4 b c. 0.3

Answer 2 – 50 a. 0.4

Question Is the number 21 PRIME or COMPOSITE? WHY?

Answer 3 – 10 Composite 1 x 21 3x7

Question Which group of numbers includes only prime numbers? a.13,23,43,52 b.9,11,13,15 c.5,7,23,41

Answer 3 – 20 c. 5,7,23,41

Question Which lists all the factors of a composite number? a.1,3,9,27 b.1,11 c.1,9

Answer 3 – 30 a. 1,3,9,27

Question True or False: The product of 2 prime numbers is always a prime number.

Answer 3 – 40 False

Question The factor tree for the number 42 is shown below According to the factor tree, which of the following statements is true? a.The numbers 2,3 and 7 are prime numbers. b.The number 21 is prime. c.The number 7 is composite.

3 – 50 a. 2,3,7 are prime numbers.

Question Looking at the fraction model, which fraction below is equivalent to the fraction model?

Answer 4 – 10

Question

Answer 4 – 20

Question

Answer 4 – 30 9

Question If two of the sections of the figure below were not shaded, what fractional part of the figure would you say is shaded?

Answer 4 – 40

Question Which of the following is NOT true? a. 2/5 = 6/15 b. 6/9 = 2/3 c. 5/7 = 30/48

Answer 4 – 50 c.5/7 = 30/48

Question Candy went to the store to buy some grocery items. Round the amounts to the nearest dollar. How much did Candy spend? Milk - $3.59 Eggs - $1.79 Bananas - $0.79

Answer 5 – 10 $7.00

Question Round 6.75 to the tenths place.

Answer 5 –

Question Tom spent the following on three items at Sportstown. Round each item and total the amount. Bag of baseballs14.87 Catcher’s mitt36.24 Pair of cleats21.78

Answer 5 – 30 $73.00

Question Johnny bought a cordless phone on sale for $ The regular price of the phone was $ What is the best estimate of the amount of money that Johnny saved by buying the phone on sale?

Answer 5 – 40 $4.00

Question Jackie went to the store. She bought some chocolate milk for $1.49, a pack of gum for $0.99, and a candy bar for $0.59. To the nearest dollar, what is the best estimate of how much Jackie spent? a. $3.00 b. $4.00 c. $5.00

Answer 5 – 50 $3.00