This activity is an introduction to multiplication of simple decimals.
Example
Complete the following multiplications.
We know that 31 x 8 = 248
What is:
3.1 x 8 = ?
31 x 0.8 = ?
Answer
When a number in the question is divided by 10, we must also divide the answer by 10.
Answers are both 24.8
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Question
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Teacher explanation