Numbers

Twenty

• 12

• 20

• 30

• 40

• thirty - six

• thirty - seven

• thirty - five

• forty

How many windows are there?

• There are thirteen windows.

• There are threeteen windows.

• There are thirty windows.

• There are ten windows.

How many students are therein the picture?

• There are five students in the picture.

• There are twelve students in the picture.

• There are fifty students in the picture.

• There are fifteen students in the picture.

How many children are there in the park?

• There are eight children in the park.

• There are one ball in the park.

• There are two boys in the picture.

• There are ive girls in the picture.

Ten plus twelve is twenty - two.

• 10 + 22 = 32

• 10 + 32 = 42

• 10 + 12 = 22

• 10 + 42 = 52

Eighty minus fifty is ------

Seventy - five _____ forty - five is thirty.