Multiplication drills, Multiplying 3-digit and 4-digit numbers by 1-digit numbers, Solving word problems Common Core Standards: Grade 4 Number & Operations in Base Ten CCSS.Math.Content.4.NBT.B.5 Home > Grade 4 > Multiplying Two-Digit Numbers (Elementary) Multiplying Two-Digit Numbers (Elementary) Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) product.