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Unit 7
100

What is the square root of 64?

8

100

If you multiply a positive number with a negative number. Will the answer be positive or negative?

Negative

100

What is 2/3 X 4/5?

8/15

100

Write each number as a fraction decimal and percent.

0.65

130%

5/4

65% 13/20

1.3     13/10

125% 1.25

100

What is the probability of rolling a dice and not getting a 6?

5/6

200

What is 62+42?

52

200

What is (-7) x (-5)?

35

200

Write 7 and 2/5 as an improper fraction.

37/5

200

Jack has 12 trading cards, this is 5% of the whole collection. How many cards are there in total?

240

200

What's the probability of rolling a dice two times and getting an odd number and then a 1?

1/12

300

A triangle has a side length of 5m and a hypotenuse of 13m, what is the length of the other side?

12m

300

Use three -4s to make the following.

-4

3

5

Answers may vary

300

Evaluate 4/5 + 1/2 divided by 1/6

3 and 4/5

300

A shirt is on sale for 45$, the original price is $60 what is the percent decrease in the price?

25%

300

A bag has the letters A B C D E inside. Henry picks out a letter and then writes it down and replaces it. He does this 3 times. What's the probability he picks a vowel out each time.

8/125

400

Is 12, 16, 20 a Pythagorean triple?

Yes

400

Yvette has $127 in her bank account, she buys a TV which will cost her $15 a month for 7 months. How much will she have in her bank once she has paid for the TV?

$22

400

What is 5 and 3/4 divided by 2 and 1/3?

2 and 13/28

400

The ratio of iPads to sutdents in Mr. Smith's class is 3:4 and the ratio of iPads to students in Ms. Green's class is 4:5. Each class has the same number of students. Whose class has more iPads.

Ms. Green's

400

Hugh picks 4 cards out of a deck of cards and replaces it each time. What is the probability that he gets a Spade, then a King, then a heart and then a black card? 

1/416

500

Two boats are sailing from a dock, after 3 hours one boat had travelled 18km due east and the other had travelled 24km due south. How far away are the two boats after 3 hours?

30km

500
A golfer scored -5,1,0,-4,-2,-8,3 and 2 on eight golf courses. What was his mean score?

-1.625

500
Forty eight grade 7 students get sandwiches for lunch. 1/3 of the students order a beef sandwich. 3/8 order a tuna sandwich. Of the students that order the tuna sandwich. 2/9 don't want cheese. How many students don't want cheese.

4

500

A car drove 50 miles in 40 minutes and a train travelled 40 miles in 30 minutes? Which vehicle travelled faster. 

The train

500

Shug is taking a multiple choice quiz. There are 5 questions in the quiz and each question has 4 options. Shug guesses each answer. Find the probability that he doesn't get a question correct until the last one.

81/1024