Multiplication Flashcards

0
Q

What are the two numbers in a multiplication called?

A

Two factors.

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1
Q

Define a multiplication:

A

A multiplication is the process of adding the same number a number of times.
Ex:5x4=adding the number five to itself four times.

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2
Q

What is the result of a multiplication called?

A

The product.

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3
Q

What is the table of 2, from 1 to 10?

A
2x1=2
2x2=4
2x3=6
2x4=8
2x5=10
2x6=12
2x7=14
2x8=16
2x9=18
2x10=20
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4
Q

What is the table of 3,from 1 to 10?

A
3x1=3
3x2=6
3x3=9
3x4=12
3x5=15
3x6=18
3x7=21
3x8=24
3x9=27
3x10=30
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5
Q

What is the table of 4,from 1 to 10?

A
4x1=4
4x2=8
4x3=12
4x4=16
4x5=20
4x6=24
4x7=28
4x8=32
4x9=36
4x10=40
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6
Q

What is the table of 5, from 1 to 10?

A
5x1=5
5x2=10
5x3=15
5x4=20
5x5=25
5x6=30
5x7=35
5x8=40
5x9=45
5x10=50
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7
Q

What is the table of 6, from 1 to 10?

A
6x1=6
6x2=12
6x3=18
6x4=24
6x5=30
6x6=36
6x7=42
6x8=48
6x9=54
6x10=60
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8
Q

What is the table of 7, from 1 to 10?

A
7x1=7
7x2=14
7x3=21
7x4=28
7x5=35
7x6=42
7x7=49
7x8=56
7x9=63
7x10=70
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9
Q

What is the table of 8, from 1 to 10?

A
8x1=8
8x2=16
8x3=24
8x4=32
8x5=40
8x6=48
8x7=56
8x8=64
8x9=72
8x10=80
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10
Q

What is the table of 9, from 1 to 10?

A
9x1=9
9x2=18
9x3=27
9x4=36
9x5=45
9x6=54
9x7=63
9x8=72
9x9=81
9x10=90
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11
Q

What is the table for 10, from 1 to 10?

A
10x1=10
10x2=20
10x3=30
10x4=40
10x5=50
10x6=60
10x7=70
10x8=80
10x9=90
10x10=100
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12
Q

11x11=?

A

121

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13
Q

23x4=?

A

92

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14
Q

45x20=?

A

900

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15
Q

603x55=?

16
Q

565x246=?

17
Q

20x?=120

18
Q

33x?=132

19
Q

560x?=10 640

20
Q

371x?=36 358

21
Q

839x?=3 775 500

22
Q

When confronted with an operation with a multiplication and an addition/substraction(ex:25+5x4),which do you calculate first:

  • the addition
  • the substraction
  • the multiplication
A

You must always calculate the multiplication first,EXCEPT if there is a parentheses around the addition/substraction.
Ex:25+5x4 Multiplication first =25+20=45
(25+5)x4 Addition first =30x4=120

23
Q

90-5x6

24
Q

170-(8+9)x10

A

170-17x10=170-170=0

25
Q

35x(50x40)+(6x5)

A

35x2000-30=70 000-30=69 970