1. Math Grade 4 Mrs. Ennis Multiplying 1 Digit by 2 Digits Lesson Eleven

2. 1.6703 + 2197 + 4506 = 2.4,607 – J = 1,382 3. 50 x C = 350 4. 13 x 8 = 5. 0 x 6 =

3. 7. I mile =____feet 8. Put, or = in the box. 400 + 6000 + 70 + 3300 + 6100 + 50 + 23

4. 9. On the first bus to the park, 63 people arrived. On the second bus, 54 people arrived. 19 people left before lunch. How many people were still at the park at lunchtime? 10. Jill and Brent made a visit to the coast. They stayed in Wilmington for 23 days and New Bern for 19 days. How many weeks did they spend at the coast?

6. Multiplying Two Digit Numbers

7. Step 1 Start by writing down your problem. Example: 21 X 4

8. Step 2 Multiply the ones place 4x1 21 x 4 4

9. Step 3 then multiply the tens place 2x4 which is eight 21 x4 8 4

10. Step 1 Start by writing down your problem. 32 X 3

11. Step 2 Start by multiplying the ones place 3x2 32 x 3 6

12. Step 3 then multiply the tens place 3x3 which is nine 32 x3 9 6

13. Carrying (Regrouping) 46 x5 5 x 6 = 30 0 3 5 x 4 = 20 20 + 3 = 23 23

14. Carrying 52 x8 8 x 2 = 16 6 1 8 x 5 = 40 40 + 1 = 41 41

15. Carrying 48 x3 3 x 8 = 24 4 2 3 x 4 = 12 12 + 2 = 14 14

16. Carrying 27 x4 4 x 7 = 28 8 2 4 x 2 = 8 8 + 2 = 10 10

17. Practice 45 x6 38 x8 67 x3 29 x5 41 x9

18. Practice 45 x6 38 x8 67 x3 29 x5 41 x9 270 304201145 369

19. Online Practice two digit multiplication two digit multiplication (you may want a pencil and paper) video presentation: two digit multiplicationvideo presentation: two digit multiplication (watch for review)

20. Math Fun

21. Answer: Answer: 49 7 x 7 = 49 (this year) 5 x 10 = 50 (next year)

22. Resources: http://mathlearnnc.sharpschool.com/UserFi les/Servers/Server_4507209/File/Instructiona l%20Resources/G4WW1-4.pdf http://www.ixl.com/math/grade- 4/multiply-1-digit-numbers-by-larger- numbers http://www.youtube.com/watch?v=OYY Yc7ygd38