Skip Counting to find multiples micro-lesson

Chris Lindsey

Maths

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Did you know that you can find multiples by using skip counting? If you skip count by twos, you're really just counting by twos – 2, 4, 6, 8, 10. So you just found the multiples of two - 2 x 1, 2 x 2, 2 x 3, 2 x 4, 2 x 5. Did you notice that all of the multiples of two are even numbers? If we found all the multiples of three starting with three we would count by 3 – 3, 6, 9, 12, 15, 18 our next one would be 21 we would just add three more. When you're counting by fives, you're finding multiples of 5 – 5, 10, 15, 20, 25. Did you notice that all of these numbers either ended in five or zero? That means that I could pick a number way down the line like 130 and I would know that it’s a multiple of 5 because it ends in a zero. So, remember, whenever you need to find multiples of a number, just try skip counting.

Answer time

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Here are some example of questions about this video that kids may be asked in the 1Question app to earn screen time.

130 is a multiple of what number?

1) 5

2) 3

3) 7

4) 4
John's age is a multiple of his niece Sally's age. If John is 16, what could Sally's age be?

1) 4

2) 3

3) 6

4) 5
A teacher needs to buy 88 pencils for her students. The pencils come in packs of 3, 5. 6, or 8. Which packs should she buy so there are no leftover pencils?

1) 8

2) 3

3) 5

4) 6
76 and 32 are both multiples of which number?

1) 2

2) 3

3) 6

4) 8
36 is a multiple of which number?

1) 3

2) 4

3) 6
A number ending in 5 or 0 is always a multiple of what number?

1) 5

2) 10

3) 2

4) 3
Which of these numbers is a multiple of 3?

1) 15

2) 16

3) 25

4) 31
Which of these is a multiple of both 4 and 7?

1) 28

2) 21

3) 24

4) 32
What is the seventh multiple of 3?

1) 21

2) 24

3) 18

4) 14
Which is next in this list of multiples? 7, 14, 21

1) 28

2) 29

3) 27

4) 35
Which of these is a multiple of both 3 and 5?

1) 30

2) 33

3) 50

4) 24
Which of these is a multiple of 8?

1) 32

2) 34

3) 36

4) 38
Which of these is a multiple of both 5 and 2?

1) 40

2) 35

3) 16

4) 15
Which of these is not a multiple of 5?

1) 301

2) 150

3) 205

4) 165
A teacher lists all the multiples of 10. Which number will not be on her list?

1) 205

2) 220

3) 370

4) 460
Which is a correct list of multiples for 4?

1) 44055

2) 41131

3) 43324

4) 44789
Which of these is a correct list of multiples for 7?

1) 20664

2) 14, 23, 42

3) 13139

4) 14, 31, 70
What do you know about all even numbers?

1) They are all multiples of 2.

2) They are all multiples of 3.

3) They are all multiples of 5.

4) They are all odd.
Is 45 a multiple of 9?

1) Yes

2) No
Is 65 a multiple of 5?

1) Yes

2) No
Is 61 a multiple of 6?

1) No

2) Yes
Is 102 a multiple of 10?

1) No

2) Yes
Can a number ending in 5 be a multiple of 10?

1) No

2) Yes
Can an odd number be a multiple of 2?

1) No

2) Yes
Is 23 a multiple of 2?

1) No

2) Yes

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Chris Lindsey

Elementary Teacher in South Carolina, USA. I have been teaching 4th and 5th grades for the past 11 years. My passion is teaching Math, but my love is reading aloud to children.

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