2. BOOM! MODULE 3 LESSON 7 INTERPRET THE UNKNOWN IN MULTIPLICATION AND DIVISION TO MODEL AND SOLVE PROBLEMS USING UNITS OF 6 AND 7 BOOM!

3. MULTIPLY BY 7 7 X 5 = ______ Let’s skip-count by sevens to find the answer. I’ll raise a finger for each seven. 714212835 7 x 5 = 35 Let’s skip-count by sevens again to find the answer. 7 X 3 = ______ 7 x 3= 21

4. Skip counting Let’s skip count by 6s to 60. 6 12 18 24 30 36 42 48 54 60

5. Skip counting Let’s skip count by 8s to 80. 8 16 24 32 40 48 56 64 72 80

6. Skip counting Let’s skip count by 9s to 90. 9 18 27 36 45 54 63 72 81 90

7. Multiply by 6 Pattern Sheet 2 minutes End

8. Decompose the Multiplication sentence 6 x 6 = (5 + __) x 6 ON YOUR BOARDS WRITE OUT AND COMPLETE THE EQUATION Write an addition equation. Below it write your equation. 6 x 6 = (5 + __) x 6 ON YOUR BOARDS WRITE OUT AND COMPLETE THE EQUATION Write an addition equation. Below it write your equation. (__x 6) + (__ x 6) write out and complete the equation 30 + 6 36 30 + 6 36

9. Problem of the Day Thad sees 7 beetles when he weeds his garden. Each beetle has 6 legs. How many legs are there on all 7 beetles? On your personal white board, draw and label a tape diagram to model this problem. Use the letter b for the beetles’ legs to represent the unknown. 7 x 6 = b, b = 42.

10. PROBLEM SET – GET IN A GROUP OF 4 – 6 and I will assign each group a problem. Model the problem with a drawing. Write an equation using a letter to represent the unknown fact. Solve for the unknown. Each group will share their solution with the class.

11. Problem A. Each student gets 3 pencils. There are a total of 21 pencils. How many students are there?

12. PROBLEM B Henry spends 24 minutes practicing 6 different basketball drills. He spends the same amount of time on each drill. How much time does Henry spend on each drill?

13. Problem C Jessica has 8 pieces of yarn for a project. Each piece of yarn is 6 centimeters long. What is the total length of the yarn?

14. PROBLEM D Ginny measures 6 milliliters of water into each beaker. She pours a total of 54 milliliters. How many beakers does Ginny use?

15. Problem Set Do the Front Page … That is all. Make sure you wrote down the solutions to the problems we did in groups! Do the Front Page … That is all. Make sure you wrote down the solutions to the problems we did in groups!