Combining the four operations

Question 1

Is

2 + 3 * 5 = 25?

Answer 1

No, it is 17

When there are more than one operation, there is an order that we need to follow to calculate the value

Question 2

Which come first

brackets, addition and subtraction, multiplication and division

Answer 2

Brackets is the highest order

Question 3

Which come second

brackets, addition and subtraction, multiplication and division

Answer 3

Multiplication and Division comes after brackets

Question 4

Which come third

brackets, addition and subtraction, multiplication and division

Answer 4

Addition and subtraction is the lowest order

Question 5

When everything else is the same, do we calculate

left to right

or

right to left

Answer 5

Left to Right

Question 6

Calculate

2 + 3 * 5

Answer 6

2 + 3 * 5 = 2 + 15

= 17

Question 7

Calculate

(2 + 3) * 5

Answer 7

(2 + 3) * 5 = 5 * 5

= 25

Question 8

Calculate

(2 + 3) + 5 * 3

Answer 8

(2 + 3) + 5 * 3 = 5 + 5 * 3

= 5 + 15

= 20

Question 9

Calculate

2 + (3 + 5) * 3

Answer 9

2 + (3 + 5) * 3 = 2 + 8 * 3

= 2 + 24

= 26

Question 10

Calculate

2 + (3 - 5) * 3

Answer 10

2 + (3 - 5) * 3 = 2 + (-2) * 3

= 2 - 6

= -4