Use this DPP item to practice the multiplication facts for the nines.
Possible response: When you multiply 6 × 9 the answer is 54; when you multiply by 90 you add a zero to the answer and when you multiply by 900 you add two zeros to the answer.
X. Multiplication Practice: Multiples of 10 and 100
Use the rule to complete each table.
Compare the products for 6 × 9, 6 × 90, and 6 × 900. What
pattern do you see?