Test 1 , 1.1 - 1.19

Question 1

63,284

58,746

90,383

+76,215

Answer 1

288,628

Question 2

43,176

-18,483

Answer 2

24,693

Question 3

7,552

x 254

Answer 3

1,918,208

Question 4

8,566

x6,443

Answer 4

55,190,738

Question 5

139728 / 328

Answer 5

426

Question 6

991767 / 1743

Answer 6

569

Question 7

5 3/8

7 2/3

+3 1/2

Answer 7

5 9/24

7 16/24

+3 12/24

_________

15 37/24 = 16 13/24

Question 8

19

-4 3/5

______

Answer 8

18 5/5

-4 3/5

_____

14 2/5

Question 9

9 1/4

-8 5/6

______

Answer 9

9 3/12 = 8 15/12

-8 10/12 = -8 10/12

______________

5/12

Question 10

4/5 x 5 5/6 =

Answer 10

4/5 x 35/6 =

2/1 x 7/3 =

14 / 3 =

4 2/3

Question 11

1 1/2 divided by 3/4 =

Answer 11

3/2 x 4/3 =

1/1 x 2/1 = 2

Question 12

20 divided by 3/5

Answer 12

20/1 divided by 3/5

20/1 x 5/3 =

100/3 =

33 1/3

Question 13

7 x 5 + 2 - 5 =

Answer 13

35 + 2 - 5 =

32

Question 14

(6 - 5) x 9 =

Answer 14

1 x 9 =

9

Question 15

1 1/2 divided by 1/4

Answer 15

1 1/2 x 4/1 =

3/2 x 4/1 =

3/1 x 2/1 =

6

Question 16

round 43,876,503 to the nearest thousand.

Answer 16

43,877,000

Question 17

round 9,736 to the nearest ten

Answer 17

9,740

Question 18

write the prime factors of 20

Answer 18

2 * 2 * 5

Question 19

write the prime factors of 36 using exponents

Answer 19

2 * 2 * 3 * 3

2² * 3²

Question 20

the greatest common factor of 8 and 12

Answer 20

4

Question 21

the least common multiple of 5 and 6

Answer 21

30

Question 22

reduce 32/124 to lowest terms

Answer 22

divide both by 4 to get

8/31

Question 23

write 9 3/5 as an improper fraction

Answer 23

48/5

Question 24

write the identity number for addition

Answer 24

0

Question 25

T or F: The number 1 is prime.

Answer 25

F

Question 26

T or F: Multiplication is done before addition in a problem containing a series of numbers connected by signs.

Answer 26

T

Question 27

T or F: The Arabic value of MDCCCXXIX is 1,729.

Answer 27

F

Question 28

T or F: The numbers 4 and 10 are prime to each other.

Answer 28

F

Question 29

T or F: The number 21 is prime.

Answer 29

F

Question 30

T or F: 6 + 3 = 3 + 6 is an example of the commutative principle of addition.

Answer 30

T

Question 31

For every 330 feet a person travels up a mountain the temperature drops 1 degree F. If the temp is 78 F at the base of a 6,270 foot moutain, what is the temp at the peak?

Answer 31

6270 divided by 330 = 19

78 - 19 = 59 F

Question 32

Titan & Dione are two satellites of the plant Saturn. Titan is 1,221,000 kilometers from Saturn, and Dione is 376,600 km from Saturn. How many km farther is Titan from Saturn than Dione is from Saturn?

Answer 32

1,221,000

• 376,600

__________

844,400

Question 33

My car gets 34 miles to a gallon of gasoline. If I travel 816 miles, how many gallons of gas will I use?

Answer 33

816 divided by 34 = 24 gallons

Question 34

Mr. Peters has 40 Bible students. Of the students, 3/4 of them are boys. How many are boys?

Answer 34

40 x 3/4 =

10 x 3/1 = 30

Question 35

Which is greater: 3/8 or 5/13?

Answer 35

3/8 = 39/104 ; 5/13 = 40/104

so 5/13 is greater