CARDINAL NUMBERS PRACTICE

How many days are there in a week?

• one hundred

• one thousand

• one hundredth

• one thousandth

• seventy

• seventeen

• seventieth

• seventeenth

How many days are there in September?

• There are seven days.

• There are thirty-one days.

• There are thirty days.

• There are twenty-eight days.

How many days are there in December?

• There are thirty-one days.

• There are thirty days.

• There are twenty-one days.

• There are twenty-eight days.

28 + 4 =

• thirty-one

• thirty-two

• thirty-three

• thirty-four

12

• twelf

• twelve

• twenty

twenty-four

• 23th

• 44

• 34th

• 24

Click on the right result:

fifteen + fifteen =

• thirteen

• thirty

• three zero

Write this number in words 20?