There are nine butterflies flying in two groups. Find the missing numbers to make nine. What plus five makes nine? Three plus what makes nine.
We can find the missing number in this group by counting the butterflies, one, two, three, four. Four plus five equals nine. Now we can find this missing number by counting the butterflies, one, two, three, four, five, six. Three plus six equals nine.
The missing numbers to make nine are four and six.