20 Questions

Semester 1 Test for Math 7/8

Questions and Answers

- 1.Matt is not crazy about writing, so he'd rather write digits than words. However, he needs some help, because this is a BIGGIE! Can you help him?Write the numeral for seventeen million, one hundred five thousand.
- A.
17,105,000

- B.
17,150,000

- C.
17,105,000,000

- D.
17,100,005

- 2.Tim is confused. What should he do with this problem to solve it? PLEASE HELP HIM!!432/12 =
- 3.Lucas thinks he is getting better at these problems...are you?What is the greatest common factor (GCF) of 12 and 18?
- A.
6

- B.
9

- C.
12

- D.
24

- 4.Travis got ahold of the plate of cookies last night, and boy, was his mom mad! She told him he had eaten way more than his share, by having had 2/3 of a DOZEN cookies! What is 2/3 of 12?
- A.
4

- B.
6

- C.
3

- D.
8

- 5.1 - 3/5 =
- A.
2

- B.
-2/5

- C.
2/5

- D.
3/5

- 6.1/2 x 1/3 x 1/4 =
- A.
1/24

- B.
1/9

- C.
1/6

- D.
1/12

- 7.Estimate the product of 87 and 31.
- A.
2700

- B.
270

- C.
2400

- D.
240

- 8.What is the difference between the product of 20 and 10 and the sum of 20 and 10?
- A.
900

- B.
0

- C.
60

- D.
170

- 9.Chris is some kind of basketball player! He is his team's top scorer. He makes a LOT of points each game. He is wondering what is his average is for the last four games. Can you help him out?What is the average of 37, 82, 63, and 58?
- A.
58

- B.
50

- C.
60

- D.
63

- 10.Spencer's basketball team won 7 of its 12 games. What fraction of its games did the team win?
- A.
5/12

- B.
7/1

- C.
5

- D.
7/12

- 11.5 1/5 + 2 2/5 =
- A.
8

- B.
7 3/10

- C.
7 2/25

- D.
7 3/5

- 12.4 - 1 2/3 = Math Joke: Student: "Dad, can you help me find the lowest common denominator in this problem, please?"Father: "Don't tell me that they haven't found it yet; I remember looking for it when I was a boy!"
- A.
3 2/3

- B.
2 2/3

- C.
2 1/3

- D.
3 1/3

- 13.Karter is a PRO at these problems...Are you?1/5 divided by 2/3
- A.
2/15

- B.
3/10

- C.
10/3

- D.
3 1/3

- 14.What is the place value of the 7 in 7,654,321?
- A.
Thousands

- B.
Ten millions

- C.
Millions

- D.
Billions

- 15.What number is 12 less than 3?
- A.
-9

- B.
9

- C.
15

- D.
-15

- 16.List the whole number factors of 12.
- A.
1, 2, 6, 12

- B.
1, 2, 3, 4, 6, 12

- C.
12, 24, 36, 48, 60

- D.
1/2, 1, 2, 3, 4, 6, 12, 24

- 17.Shane's parents have decided they have WAY too many miniature horses around--they are eating their family out of house and home! (Not to mention occasionally taking a bite of the family members themselves!) Shane has to sell or give away 1/4 of his horses! How many is that?What is 1/4 of 60?
- A.
15

- B.
240

- C.
10

- D.
12

- 18.3 3/4 - 2 =
- A.
3/4

- B.
1

- C.
1 3/4

- D.
1 1/4

- 19.1/5 x 2/3 =
- A.
3/10

- B.
2/8

- C.
1/4

- D.
2/15

- 20.4/5 divided by 5/6 =
- A.
24/25

- B.
2/3

- C.
1 1/25

- D.
1/4