3.OA.4, 3.OA.8
Unknowns with multiplication & division
Unknowns in division sentences (2)
Unknown factors & products (2)
Replace letters with numbers (2 & 5)
Replace letters with numbers (3 & 4)
Replace letters with numbers (6 & 8)
Appears in
Book 4: Multiplication & Division
Book 9: Algebra, Exponents, & Geometry
