Order of Operations

Which one follows the right order of operations?

• work from right to left when there are only addition and subtraction

• work from left to right, carry out addition and subtraction before multiplication and division

• work from left to right, carry out multiplication and division before addition and subtraction

• when there are brackets, carry out the operations in the brackets later

2 + 12  $\div\ 2\ =$  

• 12

• 8

• 7

• no answer

-3 + 4 x 5 =

There were 6 more giraffes than zebras at the zoo. The number of monkeys was 3 times as many as the number of zebras. There were 24 monkeys at the zoo. How many giraffes were there? _____ giraffes.

48 : 8 - 6 =

7 + 2 x 3 - 1 =

• 12

• 26

• 11

• 27

(12 + 4)  $\div2$  + 4 = 

Anne bought 9 bozes of erasers. There were 10 erasers in each box. She puts them into plastics of 5 erasers each. She sold each plastic for Rp. 10.000. How much money did she get after selling all her erasers?

• Rp. 90.000

• Rp. 50.000

• Rp. 100.000

• Rp. 180.000

• no answer

There are 25 cars and motorcycles in the basement parking area. The total number of wheels is 80. How many cars are there? ____ cars

Grandmother bought 3 liter of milk in the supermarket. She kept 1 liter for herself and shared the rest for her four grandchildren. If a bottle can hold 250 ml milk. How many bottle/s will each grandchild have?

• 1

• 2

• 3

• 4