Odd and Even
Look at the number cards:
12
9
11
24
21
18
Write five different pairs that add to make an even number.
Then write five different pairs that add to make an odd
number.
If you finish: How many even numbers are there between 1 and
100? Can you see a quick way to find out?
(Hint: use a 100-square)
Odd and Even
Look at the number cards:
9
12
18
11
21
24
Write five different pairs that add to make an even number.
Then write five different pairs that add to make an odd
number.
If you finish: How many even numbers are there between 1 and
100? Can you see a quick way to find out?
(Hint: use a 100-square)