Math ยท Number Sense
Even and Odd Numbers
Sort numbers into even and odd using pairs, doubles facts and arrays.
- ๐ Grade 2
- ๐งฎ Math
- ๐ 2.OA.C.3
- โ 20 questions
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An array has 4 rows with 3 stars in each row. How many stars?
- A 16
- B 7
- C 12
- D 10
3 + 3 + 3 + 3 = 12
Which doubles fact shows that 14 is even?
- A 7 + 7 = 14
- B 8 + 7 = 15
- C 6 + 9 = 15
- D 13 + 1 = 14
Is 15 even or odd?
- A odd
- B even
15 cannot be split into two equal groups; one is left over.
Which number is even?
- A 18
- B 3
- C 11
- D 15
Which number is odd?
- A 9
- B 6
- C 12
- D 14
Is 16 even or odd?
- A even
- B odd
16 = 8 + 8, two equal groups.
Which doubles fact shows that 8 is even?
- A 3 + 6 = 9
- B 4 + 4 = 8
- C 7 + 1 = 8
- D 5 + 4 = 9
Is 14 even or odd?
- A odd
- B even
14 = 7 + 7, two equal groups.
Is 6 even or odd?
- A even
- B odd
6 = 3 + 3, two equal groups.
Is 9 even or odd?
- A even
- B odd
9 cannot be split into two equal groups; one is left over.
15 is an even number.
False 15 ends in 5, so it is odd.
Is 7 even or odd?
- A even
- B odd
7 cannot be split into two equal groups; one is left over.
Is 20 even or odd?
- A odd
- B even
20 = 10 + 10, two equal groups.
Which doubles fact shows that 18 is even?
- A 17 + 1 = 18
- B 8 + 11 = 19
- C 9 + 9 = 18
- D 10 + 9 = 19
Is 23 even or odd?
- A even
- B odd
23 cannot be split into two equal groups; one is left over.
Is 12 even or odd?
- A odd
- B even
12 = 6 + 6, two equal groups.
Is 11 even or odd?
- A even
- B odd
11 cannot be split into two equal groups; one is left over.
An odd number of socks can always be put into pairs with none left.
False One sock is always left over.
An array has 5 rows with 2 dots in each row. Which sum matches?
- A 5 + 5 + 5
- B 2 + 5 + 2
- C 5 + 2
- D 2 + 2 + 2 + 2 + 2
Even numbers end in 0, 2, 4, 6 or 8.
True
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