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Patterning

Rule for Decreasing Arithmetic Pattern (Level 1)

This math topic focuses on identifying the rules for decreasing arithmetic patterns. The problems require selecting the correct rule that describes how sequences of numbers decrease. Each question lists a sequence of numbers, and the learner has to choose the right arithmetic rule from multiple options. These rules involve subtracting a fixed number from each term to reach the next one in the pattern. The problems challenge the learner's understanding of basic arithmetic operations and their application in recognizing patterns in sets of numbers.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Patterning - Rule for Decreasing Arithmetic Pattern Worksheet

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Patterning - Rule for Decreasing Arithmetic Pattern
1
Choose the rule that describes this decreasing pattern
18, 14, 10, 6
a
Start at 18 and add 4 for each term
b
Start with 18 and 22. Add the prior two terms for each subsequent term
c
Start at 14 and subtract 4 for each term
d
Start at 18 and subtract 6 for each term
e
Start at 18 and multiply by 4 for each term
f
Start at 18 and subtract 4 for each term
2
Choose the rule that describes this decreasing pattern
23, 19, 15, 11, 7
a
Start at 23 and add 4 for each term
b
Start with 23 and 27. Add the prior two terms for each subsequent term
c
Start at 23 and subtract 2 for each term
d
Start at 23 and subtract 7 for each term
e
Start at 23 and subtract 4 for each term
f
Start at 20 and subtract 4 for each term
3
Choose the rule that describes this decreasing pattern
15, 12, 9, 6
a
Start at 15 and subtract 1 for each term
b
Start at 13 and subtract 3 for each term
c
Start at 15 and add 3 for each term
d
Start at 18 and subtract 3 for each term
e
Start at 15 and subtract 3 for each term
f
Start at 15 and multiply by 3 for each term
4
Choose the rule that describes this decreasing pattern
19, 15, 11, 7
a
Start at 22 and subtract 4 for each term
b
Start at 19 and subtract 2 for each term
c
Start at 19 and subtract 4 for each term
d
Start at 19 and multiply by 4 for each term
e
Start at 19 and subtract 1 for each term
f
Start with 19 and 23. Add the prior two terms for each subsequent term
5
Choose the rule that describes this decreasing pattern
11, 9, 7, 5
a
Start at 11 and subtract 3 for each term
b
Start at 11 and subtract -2 for each term
c
Start at 11 and subtract 2 for each term
d
Start at 11 and multiply by 2 for each term
e
Start at 11 and subtract -1 for each term
f
Start at 11 and add 2 for each term
6
Choose the rule that describes this decreasing pattern
17, 14, 11, 8, 5
a
Start at 17 and multiply by 3 for each term
b
Start at 17 and subtract 0 for each term
c
Start at 17 and add 3 for each term
d
Start with 17 and 20. Add the prior two terms for each subsequent term
e
Start at 20 and subtract 3 for each term
f
Start at 17 and subtract 3 for each term
7
Choose the rule that describes this decreasing pattern
32, 26, 20, 14, 8
a
Start at 32 and multiply by 6 for each term
b
Start at 32 and add 6 for each term
c
Start with 32 and 38. Add the prior two terms for each subsequent term
d
Start at 32 and subtract 10 for each term
e
Start at 35 and subtract 6 for each term
f
Start at 32 and subtract 6 for each term
8
Choose the rule that describes this decreasing pattern
31, 25, 19, 13, 7
a
Start at 31 and multiply by 6 for each term
b
Start at 31 and subtract 10 for each term
c
Start at 31 and add 6 for each term
d
Start at 31 and subtract 8 for each term
e
Start at 31 and subtract 9 for each term
f
Start at 31 and subtract 6 for each term