PRACTICE SETS - INVEST 6 to LESSON 70

Question 1

1/2 + 3/4 + 1/8

Answer 1

11/8 = 1 3/8

Question 2

1/2 + 1/3 + 1/6

Answer 2

6/6 = 1

Question 3

1 1/2 + 1 1/3 + 1/ 1/4

Answer 3

3 13/12 = 4 1/12

Question 4

1/2 + 2/3 + 5/6

Answer 4

12/6 = 2

Question 5

1/2 + 3/4 + 7/8

Answer 5

17/8 = 2 1/8

Question 6

1 1/4 + 1 1/8 + 1/ 1/2

Answer 6

3 7/8

Question 7

2 4/5 (write as an improper fraction)

Answer 7

14/5

Question 8

3 1/2 (write as an improper fraction)

Answer 8

7/2

Question 9

1 3/4 (write as an improper fraction)

Answer 9

7/4

Question 10

6 1/4 (write as an improper fraction)

Answer 10

25/4

Question 11

1 5/6 (write as an improper fraction)

Answer 11

11/6

Question 12

3 3/10 (write as an improper fraction)

Answer 12

33/10

Question 13

2 1/3 (write as an improper fraction)

Answer 13

7/3

Question 14

12 1/2 (write as an improper fraction)

Answer 14

25/2

Question 15

3 1/6 (write as an improper fraction)

Answer 15

19/6

Question 16

Write 1 1/2 and 3 1/3 as an improper fractions. Then multiply the improper fractions. What is the Product?

Answer 16

30/6 = 5/1 = 5

Question 17

5 1/2 - 3 1/3

Answer 17

2 1/6

Question 18

4 1/4 - 2 1/3

Answer 18

1 11/12

Question 19

6 1/2 - 1 3/4

Answer 19

4 3/4

Question 20

7 2/3 - 3 5/6

Answer 20

3 5/6

Question 21

6 1/6 - 1 1/2

Answer 21

4 2/3

Question 22

4 1/3 - 1 1/2

Answer 22

2 5/6

Question 23

4 5/6 - 1 1/3

Answer 23

3 3/6 = 3 1/2

Question 24

6 1/2 - 3 5/6

Answer 24

2 4/6 = 2 2/3

Question 25

8 2/3 - 5 3/4

Answer 25

2 11/12

Question 26

What is a quadrilateral?

Answer 26

A quadrilateral is a a 4-sided polygon

Question 27

Describe the difference between a parallelogram and a trapezoid.

Answer 27

A parallelogram has two pairs of parallel sides; a trapezoid has only one pair of parallel sides.

Question 28

Draw a Rhombus that is a square.

Answer 28

Are you sure?

Question 29

Draw a Rhombus that is not a square.

Answer 29

Just do it!

Question 30

True or False: Some rectangles are squares.

Answer 30

True

Question 31

True or False: All squares are rectangles.

Answer 31

True

Question 32

Which of these numbers are composite numbers? 19, 20, 21, 22, 23

Answer 32

20, 21, 22

Question 33

Write the prime factorization of each of these composite numbers. 20, 21, 22

Answer 33

``` 20 = 2 x 2 X 5 21 = 3 x 7 22 = 2 x 11 ```

Question 34

Use a factor tree to find the prime factorization of 36

Answer 34

Go ahead, do it.

Question 35

Use Division by Primes to find the Prime Factorization of 48.

Answer 35

2 x 2 x 2 x 2 x 3

Question 36

Write 125 as a product of Prime Factors

Answer 36

5 x 5 x 5

Question 37

Write the Prime Factorization of 10 and 100. Then look for a pattern to help you find the prime Factorization of 1000.

Answer 37

``` 10 = 2 x 5 100 = 2 x 2 x 5 x 5 ``` You guessed it: 1000 = 2 x 2 x 2 x 5 x 5 x 5