Arithmetic

Question 1

3 = 2+1
What operation is used?

Answer 1

Addition

Question 2

4-1 = 3
What operation is used?

Answer 2

Subtraction

Question 3

2*2
What operation is used?

Answer 3

Multiplication

Question 4

5/2
What operation is being used?

Answer 4

Division

Question 5

What is floor division and give an example?

Answer 5

Floor division uses the // operator which truncates the decimal without rounding and returns an integer result.
e.g. 7//4 = 1

Question 6

How do we get just the remainder after division?

Answer 6

The % operater returns the remainder after division.
7%4 = 3 because 4 goes into 7 once and the remainder is 3.

Question 7

Give an example of the power operator

Answer 7

(Use ** to find the power)
e.g. 23 or 42 or 5**2

Question 8

3+2 = ?

Answer 8

5

Question 9

5-2 =

Answer 9

3

Question 10

3*3 =

Answer 10

9

Question 11

3/2 =

Answer 11

1.5

Question 12

6//4 =

Answer 12

1

Question 13

2**3 =

Answer 13

8

Question 14

4*0.5

Answer 14

2.0

Question 15

2 + 10 * 10 + 3 =

Answer 15

105

Question 16

(2+10) * (10+3)

Answer 16

156

Question 17

Write an equation that uses multiplication, division, an exponent, addition and subtraction that is equal to 100.25

Answer 17

Answer may differ.

x = 1.25 + (528/2) -1
or
x = 37.25 + (4**32/2) -1

Question 18

What is the value of they expression 4 * (6 + 5)

Answer 18

44

Question 19

4 * 6 + 5

Answer 19

29

Question 20

4 + 6 * 5

Answer 20

34

Question 21

What is the type of result of the expression 3 + 1.5 + 4?

Answer 21

Floating point number

Question 22

5**2

Answer 22

25

Question 23

10 ** 2

Answer 23

100

Question 24

What are numbers in Python?

Answer 24

Python has various types of number. Integers for one, are just whole numbers positive or negative e.g. 2 and -2.
Floating point numbers have a decimal point or use exponential (e) to define numbers. e.g. 2.0 and -2.1 and 4E2 (4 times 10 to the power of 2)