1. Multiplication

2. Review
6 4s = 24 8 12 16 20

4. 3 3 3 3 3 3 18 6 3s 18 18 6 3 ( )+( )+( )+( )+( )+（ ）=( )
( )+( )+( )+( )+( )+（ ）=( ) 3 3 3 3 3 3 18 6 3s 18
（ ）（ ）equals ( ) 18
（ ）×（ ）=( ) 6 3

5. 3 3 3 3 3 3 18 6 18 3 ( )+( )+( )+( )+( )+（ ）=( ) （ 6 ）×（ ）=( 18 )
( )+( )+( )+( )+( )+（ ）=( ) 3 3 3 3 3 3 18 6 18
（ 6 ）×（ ）=( ) 3
factor
factor
product
Sign of multiplication

6. 2 2 2 2 2 2 12 6 2s 12 6 2 12 ( )+( )+( )+( )+( )+（ ）=( )
( )+( )+( )+( )+( )+（ ）=( ) 2 2 2 2 2 2 12 6 2s
（ ）（ ）equals ( ) 12
（ ）×（ ）=( ) 6 2 12
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7. 4 4 4 4 4 20 5 4s 20 20 5 4 ( )+( )+( )+( )+( )=( ) （ ）（ ）equals ( )
( )+( )+( )+( )+( )=( ) 4 4 4 4 4 20
（ ）（ ）equals ( ) 5 4s 20 20
（ ）×（ ）=( ) 5 4
factor
factor
product
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Sign of multiplication

8.
=30 × 6 5 = 30
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9. 7+7
=14 × 2 7 = 14
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10. 5+5+5
=15
（1） = 3 × 5 15
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11.
=24
（2） = 6 × 4 24
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12. 8+8+8
=24
（3） 3 × = 8 24
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13. = 24
（4） = 4 × 6 24
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14. = 16
（5） = 8 × 2 16
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15. How many apples? Can you use multiplication?=8 =8
4 X 2=8

16. 4 → = 12 2 2 × 6 2 = 12
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17. = 40 10 = 4 × 10 40
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18. = 40 5 5 5 5 5 5 × = 8 5 40
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19. 4 → × 6 2 = 12 2 2 → 3 × 4 = 12 4 4 → 2 × 6 = 12 6 6
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