Find The Rule
4, 7, 10, ___
Start at 4 and increase by 3
2, 5, 8, 11, ___, ____, ____,
14, 17, 20 (+3)
Start at 7 and increase by 8
____, _____, _____, _____
7, 15, 23, 31
In 2m - 4 = 6, the 2 is the ________?
Coefficient
In: out: And what is the pattern rule?
4 10
7 13
9 ____
16 ____
15, 22
(n + 6)
25, 19, 13, __
Start at 25 and decrease by 6
25. 21, 22, 18, 19, ___, ____, ____.
15, 16, 12, 8 (alternately - 4, +1)
Start at 77, decrease by 11
___, ___, ___, ___,
77, 66, 55, 44
translate the following into an expression/equation:
Seven less than a number
A number less than 9 is 2
n-7 ,
9 - n = 2
In: Out: And the rule?
1 6
2 11
3 16
10 _____
100 _____
51, 501 (5n +1)
8, 10, 9, 11, 10, 12, ___
Start at 8 and alternately increase by 2 then decrease by 1
83, 79, 75, 71, ____, ____, ____
67, 63, 59 (-4)
Start at 12, alternately increase by 5, then decrease by 3
_____, _____, _____, _____,
12, 17, 14, 19
Collect like terms:
m + 3m + 6n -2n
4m + 4n
In: Out:
22 11
44 33
___ 66
99 ____
77, 88 (n-11)
2, 4, 8, 16, _____
Start at 2 and multiply by 2
4, 8, 12, 16, ___, _____, ____,
20, 24, 28 (next multiple of 4)
Start at 46, increase by 50
____, _____, _____, _____,
46, 96, 146, 196
Solve for m
4m - 5 + 2 = 29
m= 9
In: Out:
1 5
2 9
3 13
8 ____
22 ____
33, 89, (4n + 1)
9, 10, 12, 15, 19, ____
Start at 9, add one, then add one more each term
44, 55, 45, 56, ____, ____, ____.
46, 57, 47 (alternately +11, -10)
Start at 3, alternately increase by 2, then multiply by 2
_____, _____, _____, _____.
3, 5, 10, 12
Write the algebraic equation for each word problem, then solve.
Mike spent half of his allowance going to the movies. He washed the family car and earned 7 dollars. What is his weekly allowance if he ended with 13 dollars.
n/2 +7 = 13
n= 12
In: Out:
3 10
6 13
49 ___
___ 117
56, 110 (n + 7)