
- Multiply and Divide Whole Numbers
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- Multiplication as Repeated Addition
- Single Digit Multiplication
- Multiplication by 10, 100, and 1000
- Multiplication Without Carry
- Multiplication With Carry
- Multiplication With Trailing Zeros: Problem Type 1
- Multiplication With Trailing Zeros: Problem Type 2
- Multiplication of 2-digit Numbers With 2-digit Numbers
- Multiplication of a Single Digit Number With Large Numbers
- Multiplication of Large Numbers
- Multiples Problem Type 1
- Multiples Problem Type 2
- Division Facts
- Fact Families for Multiplication and Division
- Multiplication or Division of Whole Numbers (Word problems)
- Multiplication and Addition or Subtraction of Whole numbers (Word problems)
- Unit Rates and Ratios of Whole Numbers (Word problems)
- Division Without Carry
- Division With Carry
- Division Involving Zero
- Whole Number Division: 2-digit by 2-digit, No Remainder
- Whole Number Division: 3-digit by 2-digit, No Remainder
- Division With Trailing Zeros: Problem Type 1
- Division With Trailing Zeros: Problem Type 2
- Quotient and Remainder: Problem type 1
- Quotient and Remainder: Problem type 2
- Quotient and Remainder (Word problems)
Multiplication with trailing zeros: Problem type 1
Trailing zeros
The zeros at the end of a number are known as trailing zeros.
For example
- The number of trailing zeros in 80 is one.
- The number of trailing zeros in 6000 is three.
- The number of trailing zeros in 100890 is just one.
Multiplication of numbers involving trailing zeros
Some Examples: Multiply 50 × 3; Multiply 200 × 6; Multiply 9 × 10,000
Multiply 70 × 6
Solution
Step 1:
Here we multiply 7 × 6 first
7 × 6 = 42
70 × 6 = 42__
Step 2:
Then we write a 0 at the end.
70 × 6 = 420
Multiply 600 × 4
Solution
Step 1:
Here we multiply 6 × 4 first
6 × 4 = 42
600 × 4 = 24__
Step 2:
Then we write two zeros at the end.
600 × 4 = 2400
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