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In this lesson, we will learn how to recognize odd and even numbers by skip counting in twos or by testing multiplication or division by 2.

Q1:

Dalia is listing odd numbers by counting on two. She says “1, 3, 5, 7, 9, 11.”

What odd number comes next?

Q2:

I am thinking of an even two-digit number. It is between 90 and 100 and the sum of its digits is 11. What is the number?

Q3:

Write the next two odd numbers: 7 , 9 , 1 1 , 1 3 , , .

Q4:

The product of two consecutive odd numbers is 15. What are the numbers?

Q5:

I am thinking of an even number that is more than 8 and less than 11. What number is it?

Q6:

Which of these numbers are odd?

Q7:

Which of the following is an even number between 90 and 95?

Q8:

Find the even number that is greater than 60 and less than 64.

Q9:

Karim is listing even numbers by counting on two. He says “2, 4, 6, 8, 10, 12.”

What even number is next?

Q10:

Select a pair of even numbers whose sum is 70.

Q11:

Write the next two even numbers: 6 , 8 , 1 0 , 1 2 , , .

Q12:

Determine all the possible values of 𝑥 , given that it is an even number between 20 and 28.

Q13:

Which of these numbers are even?

Q14:

Sally is counting her bears in twos.