Students will use ten frame work mat
along with unifix cubes to help the detective
find the missing number.
Slides with red frame are the problems for
students to solve.
Slides with blue frames contain the answer.
This product can be used as students follow along on their desk, or may be printed out for math centers.
Contains numbers up to 20.
Includes tens frame work mat in English and Spanish.
May also be printed to be used in Math Centers.