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1 5 th Grade Multiply 3 or more digits by 2 Multiplication.

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Presentation on theme: "1 5 th Grade Multiply 3 or more digits by 2 Multiplication."— Presentation transcript:

1 1 5 th Grade Multiply 3 or more digits by 2 Multiplication

2 2 Multiply 2 digits by 2 Digits 2 Digits

3 3 Multiplying 2 digits by 2 digits 8 4 2 6x 4 Step 1- Multiply by ones. Regroup tens if necessary. Answer 24. Regroup tens. 2

4 4 Multiplying 2 digits by 2 digits 8 4 2 6x 45 0 Step 2- Multiply by ones times tens. Answer 48. Add the 2 extra tens. Write down your answer. 2

5 Copyright © 2013 by Monica Yuskaitis 5 Multiplying 2 digits by 2 digits 8 4 2 6x 45 0 Step 3 - Multiply by tens times ones. Answer 8. This 8 goes below the 0 because 2 is in the ten’s place. 2 8 Sometimes it’s helpful to put an x under the one’s place So you won’t write a digit there. x

6 Copyright © 2013 by Monica Yuskaitis 6 Multiplying 2 digits by 2 digits 8 4 2 6x 45 0 Step 4 - Multiply by tens times tens. Answer 16. Don’t add in 2, that was from before. This 16 goes below the 5 because 2 & 8 are in the ten’s place. 2 8x1 6 Make sure your digits are lined up carefully.

7 Copyright © 2013 by Monica Yuskaitis 7 Multiplying 2 digits by 2 digits 8 4 2 6x 45 0 Step 5 – Add your answers together. Add like you normally Do. 2 8x1 6 Don’t forget to regroup when adding if you need to. 4 8 1 1 2 +

8 Copyright © 2013 by Monica Yuskaitis 8 Multiplying 2 digits by 2 digits 8 4 2 6x 45 0 Step 6 – Add your comma. 2 8x1 6 4 8 1 1 2 +,

9 Copyright © 2013 by Monica Yuskaitis 9 Solve this problem 8 4 4 3x 22 5 1

10 Copyright © 2013 by Monica Yuskaitis 10 Solve this problem 8 4 4 3x 22 5 x63 + 2 163, 1 1

11 Copyright © 2013 by Monica Yuskaitis 11 Solve this problem 6 2 5 6x 23 7 1

12 Copyright © 2013 by Monica Yuskaitis 12 Solve this problem 6 2 5 6x 23 7 x03 1+ 2 743, 1

13 Copyright © 2013 by Monica Yuskaitis 13 Solve this problem 9 7 4 3x 12 9 2

14 Copyright © 2013 by Monica Yuskaitis 14 Solve this problem 9 7 4 3x 1 2 9 x8 3 8 + 2 714, 2 1 1

15 15 Multiply 3 digits by 2 Digits 2 Digits

16 Copyright © 2013 by Monica Yuskaitis 16 Solve this problem 6 8 7 5 4x 8 2

17 Copyright © 2013 by Monica Yuskaitis 17 Solve this problem 6 8 7 5 4x 8 2 4 3

18 Copyright © 2013 by Monica Yuskaitis 18 Solve this problem 6 8 7 5 4x 8 2 4 3 2 7

19 Copyright © 2013 by Monica Yuskaitis 19 Solve this problem 6 8 7 5 4x 8 2 4 3 2 7 5x 3

20 Copyright © 2013 by Monica Yuskaitis 20 Solve this problem 6 8 7 5 4x 8 2 4 3 2 7 5x 3 3 4

21 Copyright © 2013 by Monica Yuskaitis 21 Solve this problem 6 8 7 5 4x 8 2 4 3 2 7 5x 3 3 4 3 4+ 89073, 1

22 Copyright © 2013 by Monica Yuskaitis 22 Solve this problem 7 8 6 6 3x 8 1

23 Copyright © 2013 by Monica Yuskaitis 23 Solve this problem 7 8 6 6 3x 8 1 5 2

24 Copyright © 2013 by Monica Yuskaitis 24 Solve this problem 7 8 6 6 3x 8 1 5 2 2 3

25 Copyright © 2013 by Monica Yuskaitis 25 Solve this problem 7 8 6 6 3x 8 1 5 2 2 3 6x 3

26 Copyright © 2013 by Monica Yuskaitis 26 Solve this problem 7 8 6 6 3x 8 1 5 2 2 3 6x 3 1 5

27 Copyright © 2013 by Monica Yuskaitis 27 Solve this problem 7 8 6 6 3x 8 1 5 2 2 3 6x 3 1 5 4 7+ 81 1 594,

28 Copyright © 2013 by Monica Yuskaitis 28 Solve this problem 6 3 4 4 2x 8

29 Copyright © 2013 by Monica Yuskaitis 29 Solve this problem 6 3 4 4 2x 86

30 Copyright © 2013 by Monica Yuskaitis 30 Solve this problem 6 3 4 4 2x 861 2

31 Copyright © 2013 by Monica Yuskaitis 31 Solve this problem 6 3 4 4 2x 861 2 6x 1

32 Copyright © 2013 by Monica Yuskaitis 32 Solve this problem 6 3 4 4 2x 8 1 61 2 6x3 1

33 Copyright © 2013 by Monica Yuskaitis 33 Solve this problem 6 3 4 4 2x 861 2 6x32 5+ 82 1 662, 1 1

34 34 Multiply 4 digits by 2 Digits 2 Digits

35 Copyright © 2013 by Monica Yuskaitis 35 Solve this problem 2 1 1 2 3 x 63 3 6x3 3 + 69696, 6 6

36 Copyright © 2013 by Monica Yuskaitis 36 Solve this problem 1 0 2 1 2 1 x 12 0 2x4 0 + 14412, 1 2

37 Copyright © 2013 by Monica Yuskaitis 37 Solve this problem 3 6 4 3 5 1 x 34 6 5x1 2 + 39758, 1 2 1 3 3 8 1

38 Copyright © 2013 by Monica Yuskaitis 38 ProblemSolving

39 The sixth grade students had to earn $175 each to attend Outdoor Education Camp. If 32 students were going, how much money would that be?

40 Copyright © 2013 by Monica Yuskaitis 40 Solve this problem $1 7 5 3 2x 0 1

41 Copyright © 2013 by Monica Yuskaitis 41 Solve this problem 1 7 5 3 2x 0 1 5 1 $

42 Copyright © 2013 by Monica Yuskaitis 42 Solve this problem 1 7 5 3 2x 0 1 5 1 3 $

43 Copyright © 2013 by Monica Yuskaitis 43 Solve this problem 1 7 5 3 2x 0 1 5 1 3 5x 1 $

44 Copyright © 2013 by Monica Yuskaitis 44 Solve this problem 1 7 5 3 2x 0 1 5 1 3 5x 1 2 2 $

45 Copyright © 2013 by Monica Yuskaitis 45 Solve this problem 1 7 5 3 2x 0 1 5 1 3 5x 1 2 2 5+ 00 1 65,$ $


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