Divisibility tests

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How do you know if things are divisible by 2?
They end in 2,4,6,8 or 0
1 of 6
How do you know if things are divisible by 5?
They end in 5 or 0
2 of 6
How do you know if things are divisible by 3?
If the digits i the number add to a multiple of 3, e.g, 18. 1 + 8 = 9, so it is divisible by 3.
3 of 6
Which of these numbers are divisible by 2? 23, 54, 48,63, 50, 16, 77
54, 48,50 and 16
4 of 6
Which one of these numbers is divisible by 5? 3, 12, 15, 21
15
5 of 6
Which of these numbers is divisible by 3? 18, 21, 67, 33
18, 21, 33
6 of 6

Other cards in this set

Card 2

Front

How do you know if things are divisible by 5?

Back

They end in 5 or 0

Card 3

Front

How do you know if things are divisible by 3?

Back

Preview of the front of card 3

Card 4

Front

Which of these numbers are divisible by 2? 23, 54, 48,63, 50, 16, 77

Back

Preview of the front of card 4

Card 5

Front

Which one of these numbers is divisible by 5? 3, 12, 15, 21

Back

Preview of the front of card 5
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