Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or alternative way to assess the mastery of your non-linear thinkers. Graphic boxes provide space to note regrouping in the tens place.

12 Views
55 Downloads

Resource Details

#### Start Your Free Trial

Save time and discover engaging curriculum for your classroom. Reviewed and rated by trusted, credentialed teachers.

Try It Free