Use these vocabulary cards with the EL Support Lesson: Fact Family Houses.

Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Kids solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.