Variables and Circuits

What number is h?

8 + h = 15

• h = 7

• h = 6

• h = 8

• h = 10

What number is k?

23 - k = 5

• k = 18

• k = 15

• k = 19

• k = 12

What number is r?

r + 10 = 55

• r = 45

• r = 44

• r = 60

• r = 55

What number is b?

b - 22 = 12

• b = 10

• b = 34

• b = 32

• b = 13

What number is m?

3 x m = 33

• m = 11

• m = 12

• m = 15

• m = 21

What number is a?

a x 12 = 48

• a = 4

• a = 8

• a = 10

• a = 21

• g = 48

• g = 56

• g = 2

• g = 1

• d = 5

• d = 10

• d = 15

• d = 20

Which of the following is an INSULATOR?

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Which of the following is a CONDUCTOR?

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