Students identify rules for both increasing and decreasing patterns and extend sequences. Part A corrects three sentences with errors in growing pattern continuations, including a subtract-5 pattern mislabeled as add-5. Part B has four fill-in-the-blank questions about a subtract-10 rule, a 5s sequence, and a shape pattern. Part C has three true-or-false statements distinguishing growing from repeating patterns.
Practicing decreasing patterns alongside increasing ones prevents students from assuming all sequences grow.
Style:
Patterns and Number Sequences
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
The pattern 4, 8, 12, 16 continues with 18.
Rewrite: The pattern 4, 8, 12, 16 continues with 20.
2. Fix the sentence:
The rule for 50, 45, 40, 35 is add 5.
Rewrite: The rule for 50, 45, 40, 35 is subtract 5.
3. Fix the sentence:
In the pattern 6, 12, 18, 24, the next number is 28.
Rewrite: In the pattern 6, 12, 18, 24, the next number is 30.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The pattern 100, 90, 80, 70 follows the rule subtract 10.
2. What comes next in 15, 20, 25, 30, 35?
3. In the pattern circle, square, triangle, circle, square, the next shape is triangle.
4. An input-output table uses the rule add 3. If the input is 9, the output is 12.
Part C: True or False?
Read each statement. Circle True or False.
1. The pattern 20, 18, 16, 14 follows the rule subtract 2.
True False
2. A growing pattern always repeats the same group of items.
True False
3. The next number after 25, 30, 35, 40 is 45.
True False
Patterns and Number Sequences
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
The pattern 4, 8, 12, 16 continues with 18.
Rewrite: The pattern 4, 8, 12, 16 continues with 20.
2) Fix the sentence:
The rule for 50, 45, 40, 35 is add 5.
Rewrite: The rule for 50, 45, 40, 35 is subtract 5.
3) Fix the sentence:
In the pattern 6, 12, 18, 24, the next number is 28.
Rewrite: In the pattern 6, 12, 18, 24, the next number is 30.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) The pattern 100, 90, 80, 70 follows the rule subtract 10.
2) What comes next in 15, 20, 25, 30, 35?
3) In the pattern circle, square, triangle, circle, square, the next shape is triangle.
4) An input-output table uses the rule add 3. If the input is 9, the output is 12.
★ Part C: True or False?
Read each statement. Circle True or False.
1) The pattern 20, 18, 16, 14 follows the rule subtract 2.
True
False
2) A growing pattern always repeats the same group of items.
True
False
3) The next number after 25, 30, 35, 40 is 45.
True
False
Ready to Practice?
Complete each section carefully.
10 Questions
15-20 minutes
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