This Grade 4 worksheet focuses on multiplication rules and decreasing subtraction patterns under CCSS 4.OA.5. Learners distinguish multiply-by patterns such as 2, 4, 8, 16 from addition patterns, find missing terms, and explain how the rule extends each Grade 4 sequence accurately using clear math reasoning. Students extend multiplication patterns and notice subtraction patterns too, building Grade 4 number-sense and pattern-finding fluency confidence.
Style:
Patterns and Input/Output Tables
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
The pattern 2, 4, 8, 16 follows the rule add 2.
Rewrite: The pattern 2, 4, 8, 16 follows the rule multiply by 2.
2. Fix the sentence:
The next term in 1, 3, 9, 27 is 54.
Rewrite: The next term in 1, 3, 9, 27 is 81.
3. Fix the sentence:
In 100, 90, 80, 70 the rule is subtract 5.
Rewrite: In 100, 90, 80, 70 the rule is subtract 10.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The pattern 3, 9, 27, 81 follows the rule multiply by 3.
2. The next term after 5, 10, 20, 40 is 80.
3. In 64, 56, 48, 40 the rule is subtract 8.
4. Continuing 2, 6, 18, 54, the missing term is 54.
Part C: Short Answer
Answer each question in one or two complete sentences.
1. Describe the rule for 4, 8, 16, 32 and give the next two terms in this Grade 4 pattern.
The rule is multiply by 2. Each term doubles the previous one, so after 32 comes 64, and after 64 comes 128 because 64 times 2 equals 128.
2. Explain the difference between an addition rule and a multiplication rule using Grade 4 examples.
An addition rule changes by the same amount, like 5, 10, 15, 20 (add 5). A multiplication rule multiplies by the same factor, like 5, 10, 20, 40 (multiply by 2), so the gap grows.
Patterns and Input/Output Tables
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
The pattern 2, 4, 8, 16 follows the rule add 2.
Rewrite: The pattern 2, 4, 8, 16 follows the rule multiply by 2.
2) Fix the sentence:
The next term in 1, 3, 9, 27 is 54.
Rewrite: The next term in 1, 3, 9, 27 is 81.
3) Fix the sentence:
In 100, 90, 80, 70 the rule is subtract 5.
Rewrite: In 100, 90, 80, 70 the rule is subtract 10.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) The pattern 3, 9, 27, 81 follows the rule multiply by 3.
2) The next term after 5, 10, 20, 40 is 80.
3) In 64, 56, 48, 40 the rule is subtract 8.
4) Continuing 2, 6, 18, 54, the missing term is 54.
★ Part C: Short Answer
Answer each question in one or two complete sentences.
1) Describe the rule for 4, 8, 16, 32 and give the next two terms in this Grade 4 pattern.
The rule is multiply by 2. Each term doubles the previous one, so after 32 comes 64, and after 64 comes 128 because 64 times 2 equals 128.
2) Explain the difference between an addition rule and a multiplication rule using Grade 4 examples.
An addition rule changes by the same amount, like 5, 10, 15, 20 (add 5). A multiplication rule multiplies by the same factor, like 5, 10, 20, 40 (multiply by 2), so the gap grows.
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9 Questions
15-20 minutes
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