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

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Presentation transcript:

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

2 Multiply 2 digits by 2 Digits 2 Digits

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

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

Copyright © 2013 by Monica Yuskaitis 5 Multiplying 2 digits by 2 digits x 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

Copyright © 2013 by Monica Yuskaitis 6 Multiplying 2 digits by 2 digits x 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.

Copyright © 2013 by Monica Yuskaitis 7 Multiplying 2 digits by 2 digits x 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

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

Copyright © 2013 by Monica Yuskaitis 9 Solve this problem x

Copyright © 2013 by Monica Yuskaitis 10 Solve this problem x 22 5 x , 1 1

Copyright © 2013 by Monica Yuskaitis 11 Solve this problem x

Copyright © 2013 by Monica Yuskaitis 12 Solve this problem x 23 7 x , 1

Copyright © 2013 by Monica Yuskaitis 13 Solve this problem x

Copyright © 2013 by Monica Yuskaitis 14 Solve this problem x x , 2 1 1

15 Multiply 3 digits by 2 Digits 2 Digits

Copyright © 2013 by Monica Yuskaitis 16 Solve this problem x 8 2

Copyright © 2013 by Monica Yuskaitis 17 Solve this problem x

Copyright © 2013 by Monica Yuskaitis 18 Solve this problem x

Copyright © 2013 by Monica Yuskaitis 19 Solve this problem x x 3

Copyright © 2013 by Monica Yuskaitis 20 Solve this problem x x 3 3 4

Copyright © 2013 by Monica Yuskaitis 21 Solve this problem x x , 1

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

Copyright © 2013 by Monica Yuskaitis 23 Solve this problem x

Copyright © 2013 by Monica Yuskaitis 24 Solve this problem x

Copyright © 2013 by Monica Yuskaitis 25 Solve this problem x x 3

Copyright © 2013 by Monica Yuskaitis 26 Solve this problem x x 3 1 5

Copyright © 2013 by Monica Yuskaitis 27 Solve this problem x x ,

Copyright © 2013 by Monica Yuskaitis 28 Solve this problem x 8

Copyright © 2013 by Monica Yuskaitis 29 Solve this problem x 86

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

Copyright © 2013 by Monica Yuskaitis 31 Solve this problem x x 1

Copyright © 2013 by Monica Yuskaitis 32 Solve this problem x x3 1

Copyright © 2013 by Monica Yuskaitis 33 Solve this problem x x , 1 1

34 Multiply 4 digits by 2 Digits 2 Digits

Copyright © 2013 by Monica Yuskaitis 35 Solve this problem x x , 6 6

Copyright © 2013 by Monica Yuskaitis 36 Solve this problem x x , 1 2

Copyright © 2013 by Monica Yuskaitis 37 Solve this problem x x ,

Copyright © 2013 by Monica Yuskaitis 38 ProblemSolving

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?

Copyright © 2013 by Monica Yuskaitis 40 Solve this problem $ x 0 1

Copyright © 2013 by Monica Yuskaitis 41 Solve this problem x $

Copyright © 2013 by Monica Yuskaitis 42 Solve this problem x $

Copyright © 2013 by Monica Yuskaitis 43 Solve this problem x x 1 $

Copyright © 2013 by Monica Yuskaitis 44 Solve this problem x x $

Copyright © 2013 by Monica Yuskaitis 45 Solve this problem x x ,$ $