1Question

# Ones Rule in Multiplication micro-lesson

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## Learning time​

Kids learn by watching short, engaging video lessons.

When you are solving multiplication problems with the number one, there is a simple rule that you can use to help you solve these problems, and we call this the Ones Rule in multiplication. This just means that any multiplication problem where you're multiplying by 1, the answer is always the other number. So, when you multiply anything times 1, the answer is itself. So, if you are multiplying 1,000 x 1, the answer is 1,000. If you're multiplying 1 million x 1, the answer is a million. So, to look at this, we're going to look at 8 x 1. In this, you have 8 groups, 1 item in each group so your answer is 8. If we reverse this and we do 1 x 8, that means we have 1 group, 8 items in that group and your answer is also 8.

Kids earn more screen time by answering fun educational questions.

1) 1000000
2) 1
3) 1000
4) 100

1) 17
2) 7
3) 1
4) 170

1) 800
2) 8
3) 18
4) 80

1) 802
2) 82
3) 2
4) 74

1) 1559
2) 1555
3) 157
4) 1

1) 1000
2) 1000000
3) 1
4) 100
• #### When you multiply an number by 1, what is the answer?

1) Itself
2) One
3) Zero
4) One Hundred
• #### What is the rule discussed in this video?

1) Ones Rule
2) Zero Rule
3) Rule with Nines
4) Rules with Tens

1) Yes
2) No

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#### Kristin Tracy

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