Double Digit Multiplication Worksheet
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Multiplication Mastery
Grade 5 • Multi-Digit Standard Algorithm
Name:
Date:
Score:
Strategy Guide
4-Step Standard Algorithm Checklist
Follow each step systematically for every problem!
1
Multiply Ones
Multiply top number by bottom ones digit. Regroup if \(\ge 10\).
2
Place the Zero
Write a placeholder 0 in ones column before multiplying tens.
3
Multiply Tens
Multiply top number by bottom tens digit. Regroup new values.
4
Add Products
Add both partial product lines together for final product.
Visual Model: 43 × 26
\({\small \text{¹}}\)
4 3
× 2 6
2 5 8 (43×6)
+ 8 6 0 (43×20)
1,1 1 8
Part 1: Fluency Practice • Calculate Each Product
Show all partial products and regrouping clearly.
1
38
× 24
2
57
× 36
3
64
× 45
4
79
× 53
5
82
× 67
6
96
× 48
💡 Estimation Tip: Round numbers to the nearest 10 to check if your final product is reasonable!
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Part 2: Applications & Error Analysis
Name: 5th Grade Math
Set up & Solve
Rewrite each problem in vertical format and solve.
7 54 × 39 =
Answer:
8 73 × 62 =
Answer:
9 88 × 47 =
Answer:
Part 3: Real-World Applications
10
School Book Fair
Oakridge Elementary ordered 46 boxes of mystery novels for their book fair. If each box contains 28 books, how many total books did the school receive?
Answer:
books
11
Community Garden
Volunteers planted 35 rows of strawberry plants. There are 54 individual plants in every row. How many strawberry plants were planted in total?
Answer:
plants
Critical Thinking
Find & Fix the Flaw
Identify the algorithm error below!
Marcus solved \(63 \times 24\):
6 3
× 2 4
2 5 2
+ 1 2 6
3 7 8 ❌
1. What mistake did Marcus make in his algorithm?
2. Correct Answer:
\(63 \times 24 =\)
Self-Check: Checked placeholder zeros Added regrouped tens Estimated products
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