Commutative property addition worksheet. Includes ten frames, addition, and word problems using the common core standards in first grade math. Common Core Math: 1.OA.B.3, 2.OA.C.4
Set of 9 insect-themed posters illustrating the addition of ten ones and further ones to find sums 11-19. Correlates to common core math standards.
Common Core Math: K.NBT.1