Flashcards from 0+0 to 10+10.
Complete the In and Out boxes to solve for numbers within 20. CC: Math: 1.OA.A.1, K.CC.B.5
These in and out boxes cover addition 1-20.
Students use a rule to fill in the blank boxes.
Addition practice adding numbers 1-5.
Addition practice packet for grades 1-2. Includes answer key.