Write a number story for the addition sentence 7+_=9

2

Ally had 1 hydroflasks, 2 pairs of crocs, and 4 fjalraven kankens. Then for her birthday she gets 2 pairs of slides how many VSCO accessories does Ally have now?

1+2+4=7+2=9.

9 accessories.

Adding in more numbers makes your story a bit more interesting than the plain ol joe

Or you can do

Alissa Had 7 tickets for a billie ellish concerts, Then her parents got her 2 more, How many tickets does Allisa have now?