Q. We have done various patterns with numbers in our previous class.
Can you find a pattern for each of the following? If yes, complete them:
    (a)     7, 3, – 1, – 5, _____, _____, _____.
    (b)     – 2, – 4, – 6, – 8, _____, _____, _____.
    (c)     15, 10, 5, 0, _____, _____, _____.
    (d)     – 11, – 8, – 5, – 2, _____, _____, _____.
Make some more such patterns and ask your friends to complete them.

Answers (1)
H Harsh Kankaria

(a)     7, 3, – 1, – 5,  \underline{-9} ,\underline{ -13},\underline{ -17},\underline{ -21}

The pattern is : 7-4 =3; 3-4 =-1\ and\ so\ on

(b)     – 2, – 4, – 6, – 8,  \underline{-10},\underline{ -12},\underline{ -14},\underline{ -16}

The pattern is : -2-2 =-4; -4-2 =-6\ and\ so\ on

(c)     15, 10, 5, 0, \underline{5},\underline{ 10}, \underline{15}, \underline{20}

The pattern is :  15-10 =5; 10-5=5\ and\ so\ on

(d)     – 11, – 8, – 5, – 2,  \underline{1},\underline{ 4},\underline{ 7}, \underline{10}

The pattern is :  -11+3 =-8; -8+3=-5\ and\ so\ on

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