MISS BOWEN 4 TH GRADE MATH MATH REVIEW CHAPTER 5

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

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

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

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

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

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

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

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

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

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

19 X 12 _________ MATRIX MULTIPLICATION

19 X 12 _________ =228 MATRIX MULTIPLICATION X 10= X 9= X 2= 209 X 2= 18

14 X 13 _________ MATRIX MULTIPLICATION

14 X 13 _________ = 182 MATRIX MULTIPLICATION X 10= X 4= X 3= 303 X 4= 12

25 X 23 _________ MATRIX MULTIPLICATION

25 X 23 _________ = 575 MATRIX MULTIPLICATION X 20 = x 5 = x 3= 60 3 x 5= 15

42 X 56 _________ MATRIX MULTIPLICATION

42 X 56 _________ 2, = 2,352 MATRIX MULTIPLICATION x 40= 2, x 2= x 6= x 2= 12

87 X 91 _________ MATRIX MULTIPLICATION

87 X 91 _________ 7, = 7,717 MATRIX MULTIPLICATION x 90= x 7= x 1= 80 7 x 1= 7

15 X 23 _________ PARTIAL PRODUCT MULTIPLICATION

15 X 23 _____________ _____________ 345 PARTIAL PRODUCT MULTIPLICATION

24 X 45 _____________ PARTIAL PRODUCT MULTIPLICATION

24 X 45 _____________ _____________ 1,080 PARTIAL PRODUCT MULTIPLICATION

61 X 32 _________ PARTIAL PRODUCT MULTIPLICATION

61 X 32 _____________ _____________ 1,952 PARTIAL PRODUCT MULTIPLICATION

97 X 14 _________ PARTIAL PRODUCT MULTIPLICATION

97 X 14 ____________ ____________ 1,358 PARTIAL PRODUCT MULTIPLICATION

29 X 83 _________ PARTIAL PRODUCT MULTIPLICATION

29 X 83 __________ ___________ 2,407 PARTIAL PRODUCT MULTIPLICATION

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

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= x 2= = x 4=1,440 WORD PROBLEMS

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

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= x 19= =1,108 WORD PROBLEMS

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

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= x 14= x 3 = x 3= 1,470 1,470 – 990= 480 Maragret will make $480 more than Sarah after 3 weeks. WORD PROBLEMS