1. MISS BOWEN 4 TH GRADE MATH MATH REVIEW CHAPTER 5

2. 88 X 10 _________ MULTIPLYING BY 10S, 100S, AND 1000S

3. 88 X 10 _________ 0 88 X 1 _________ 880 YOU MUST REPLACE THE ZEROES YOU REMOVED MULTIPLYING BY 10S, 100S, AND 1000S

4. 73 X 20 _________ MULTIPLYING BY 10S, 100S, AND 1000S

5. 73 X 20 _________ 0 73 X 2 _________ 1,460 YOU MUST REPLACE THE ZEROES YOU REMOVED MULTIPLYING BY 10S, 100S, AND 1000S

6. 94 X 300 _________ MULTIPLYING BY 10S, 100S, AND 1000S

7. 94 X 300 _________ 00 94 X 3 _________ 28,200 YOU MUST REPLACE THE ZEROES YOU REMOVED MULTIPLYING BY 10S, 100S, AND 1000S

8. 800 X 700 _________ MULTIPLYING BY 10S, 100S, AND 1000S

9. 800 X 700 _________ 0000 8 X 7 _________ 560,000 YOU MUST REPLACE THE ZEROES YOU REMOVED MULTIPLYING BY 10S, 100S, AND 1000S

10. 960 X 200 _________ MULTIPLYING BY 10S, 100S, AND 1000S

11. 960 X 200 _________ 000 96 X 2 _________ 192,000 YOU MUST REPLACE THE ZEROES YOU REMOVED MULTIPLYING BY 10S, 100S, AND 1000S

12. 19 X 12 _________ MATRIX MULTIPLICATION

13. 19 X 12 _________ 100 +90+20+18=228 MATRIX MULTIPLICATION 109 10 X 10= 100 10 X 9= 90 210 X 2= 209 X 2= 18

14. 14 X 13 _________ MATRIX MULTIPLICATION

15. 14 X 13 _________ 100 + 40 + 30 + 12= 182 MATRIX MULTIPLICATION 104 10 X 10= 100 10 X 4=40 310 X 3= 303 X 4= 12

16. 25 X 23 _________ MATRIX MULTIPLICATION

17. 25 X 23 _________ 400+100+60+15= 575 MATRIX MULTIPLICATION 205 20 X 20 = 400 20 x 5 = 100 320 x 3= 60 3 x 5= 15

18. 42 X 56 _________ MATRIX MULTIPLICATION

19. 42 X 56 _________ 2,000+100+240+12= 2,352 MATRIX MULTIPLICATION 402 5050 x 40= 2,000 50 x 2= 100 640 x 6= 240 6 x 2= 12

20. 87 X 91 _________ MATRIX MULTIPLICATION

21. 87 X 91 _________ 7,200+630+80+7= 7,717 MATRIX MULTIPLICATION 807 9080 x 90= 7200 90 x 7= 630 180 x 1= 80 7 x 1= 7

22. 15 X 23 _________ PARTIAL PRODUCT MULTIPLICATION

23. 15 X 23 _____________ 4 5 + 30 0 _____________ 345 PARTIAL PRODUCT MULTIPLICATION

24. 24 X 45 _____________ PARTIAL PRODUCT MULTIPLICATION

25. 24 X 45 _____________ 1 20 + 96 0 _____________ 1,080 PARTIAL PRODUCT MULTIPLICATION

26. 61 X 32 _________ PARTIAL PRODUCT MULTIPLICATION

27. 61 X 32 _____________ 1 22 + 1 83 0 _____________ 1,952 PARTIAL PRODUCT MULTIPLICATION

28. 97 X 14 _________ PARTIAL PRODUCT MULTIPLICATION

29. 97 X 14 ____________ 388 +970 ____________ 1,358 PARTIAL PRODUCT MULTIPLICATION

30. 29 X 83 _________ PARTIAL PRODUCT MULTIPLICATION

31. 29 X 83 __________ 87 +2320 ___________ 2,407 PARTIAL PRODUCT MULTIPLICATION

32. Miss Bowen teaches ELA for 90 minutes on Monday, Wednesday, and Friday. She teaches ELA for 45 minutes on Tuesday and Thursday. How many minutes of ELA does Miss Bowen teach every 4 weeks? WORD PROBLEMS

33. Understand90 minutes, 3 times each week 45 minutes, 2 times each week How many minutes after 4 weeks? Plan90 x 3= A 45 x 2= B A + B = C C x 4= answers Solve90 x 3= 270 45 x 2= 90 180 + 90 = 360 270 x 4=1,440 WORD PROBLEMS

34. 54 students and 10 teachers went on a field trip to an art museum. Student tickets cost $17 each, and adult tickets cost $19 each. How much did the museum tickets cost in all? WORD PROBLEMS

35. Understand54 students, $17 each 10 teachers $19 each Cost in all? Plan54 x 17= A 10 x 19= B A + B = answer Solve54 x 17= 918 10 x 19= 190 918+190=1,108 WORD PROBLEMS

36. Sarah works for 30 hours each week, making $11 an hour. Her friend Margaret works 35 hours each week, making $14 an hour. After 3 weeks, how much more money will Maragret have earned than Sarah. WORD PROBLEMS

37. UnderstandSarah:30 hours each week, $11 an hour. Margaret:35 hours each week, $14 an hour. 3 weeks  how much more money will Margaret have earned than Sarah. Plan30 x 11= a 35 x 14=b a x 3 = A b x 3= B B-A= answer Solve30 x 11= 330 35 x 14=490 330 x 3 = 990 490 x 3= 1,470 1,470 – 990= 480 Maragret will make $480 more than Sarah after 3 weeks. WORD PROBLEMS