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6.4 Number Sense Routines

From: Henrico County

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Today’s Number

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Today’s Number

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Mystery Number

  • If you square the number, it’s over 150.
  • The number is prime.
  • The sum of the digits is a multiple of 4
  • The difference of the digits is 6.

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Alike and Different

Alike

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Which One Doesn’t Belong?

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Guess My Rule

Input

Output

1

1

2

4

3

9

4

16

8 of 10

Fill in the Blank

9 of 10

Alike and Different

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What do you Notice? What do you Wonder?

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24 = 2 x 2 x 2 x 2 = 16

53 = 5 x 5 x 5 = 125

92 = 9 x 9 = 81

36 = 3 x 3 x 3 x 3 x 3 x 3 = 729