4.NBT.5 - Multiply whole numbers Distributive property for multiplying 2-digit and 3-digit numbers Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. Cut out the squares from the sheet and mix them up. Allow students or partners to arrange them in matching pairs. Stu