Lesson 2 More Multiplication

    • Let’s practice using the multiplication algorithm.

Warm-up Estimation Exploration: Large Product

Record an estimate that is:

too low

about right

too high

Activity 1 Kiran’s Work

  1. Find the value of the product.

    multiply, 6 hundred fifty, times, 27, equals.

  2. Below is Kiran’s work finding the value of the product . Is his answer reasonable? Explain your reasoning.

    multiply. 6 hundred fifty times 27. 

  3. What parts of the work do you agree with? Be prepared to explain your reasoning.

  4. What parts of the work do you disagree with? Be prepared to explain your reasoning.

  5. Look at your solution to part a. Is there anything you want to revise? Be prepared to explain.

Activity 2 Zero the Hero

Find the value of each product.

  1. multiply. 2 hundred sixty, times, 35, equals.
  2. Multiply. 2 thousand, 6 hundred, times, 35 equals.
  3. multiply, 6 hundred seventy, times, 89, equals.
  4. Multiply. 6 thousand, 7 hundred, times, eighty, 9, equals.