Grade 5 Decimals: Multiplying Decimals

Worked examples

Real problems from the practice worksheets, solved one step at a time.

1. Example 1

   9.7 × 5 = ?

   1. Multiply without the decimal points: 97 × 5 = 485.
   2. Count the decimal places in the factors: 1 + 0 = 1.
   3. Move the decimal point 1 place left: 48.5.
   4. 9.7 × 5 = 48.5

   Answer: 48.5

2. Example 2

   5.55 × 9 = ?

   1. Multiply without the decimal points: 555 × 9 = 4995.
   2. Count the decimal places in the factors: 2 + 0 = 2.
   3. Move the decimal point 2 places left: 49.95.
   4. 5.55 × 9 = 49.95

   Answer: 49.95

3. Example 3

   1.3 × 1.3 = ?

   1. Multiply without the decimal points: 13 × 13 = 169.
   2. Count the decimal places in the factors: 1 + 1 = 2.
   3. Move the decimal point 2 places left: 1.69.
   4. 1.3 × 1.3 = 1.69

   Answer: 1.69