Even and Odd, Fourth Grade Math Test

Complete the test and get an award.

This is a free online test on even and odd numbers for fourth grade. Most of the questions ask you to use the parity rules instead of doing long calculations: only the last digit decides whether a number is even or odd, the sum of two odd numbers is even, and any product with an even factor is even. There are 16 questions, three of them with a typed answer, and the maximum score is 20 points.
Question 1 (1 point)
Which of these numbers is odd?

Question 2 (1 point)
Which of these numbers is even?

Question 3 (1 point)
The sum of two odd numbers is always:

Question 4 (1 point)
Which of these sums is odd? Decide without adding.

Question 5 (1 point)
Nina multiplies [tex]37 \times 24[/tex]. Without multiplying, what can she say about the product?

Question 6 (1 point)
Which of these products is odd?

Question 7 (1 point)
In the number [tex]47\boxed{\phantom{0}}2[/tex] one digit is hidden. What can you say about the number?

Question 8 (1 point)
Each of these divisions gives a whole number. Which one gives an odd result?

Question 9 (2 points)
How many odd numbers are there between [tex]30[/tex] and [tex]40[/tex]?
Answer:
Question 10 (1 point)
[tex]27[/tex] children want to stand in pairs for a game. How many children are left without a pair?

Question 11 (1 point)
Which statement is true?

Question 12 (2 points)
Use each of the digits [tex]2[/tex], [tex]4[/tex] and [tex]7[/tex] exactly once. What is the smallest odd three-digit number you can write?
Answer:
Question 13 (1 point)
Look at the pattern: [tex]348[/tex], [tex]350[/tex], [tex]352[/tex], [tex]354[/tex], ... Which number comes next, and is it even or odd?

Question 14 (1 point)
Marco takes any whole number and doubles it. The result is always:

Question 15 (2 points)
Is [tex]12 \times 3 + 111[/tex] even or odd? Choose the answer with the correct reason.

Question 16 (2 points)
What is the sum of all the odd numbers between [tex]10[/tex] and [tex]20[/tex]?
Answer:

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