Ones Rule in Multiplication micro-lesson
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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.
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What is the answer to 1,000,000 x 1?1) 10000002) 13) 10004) 100
What is the answer to 17 x1?1) 172) 73) 14) 170
What is the answer to 1 x 800?1) 8002) 83) 184) 80
What is the answer to 802 x 1?1) 8022) 823) 24) 74
What is the answer to 1,559 x 1?1) 15592) 15553) 1574) 1
What is the answer to 1,000 x 1 ?1) 10002) 10000003) 14) 100
When you multiply an number by 1, what is the answer?1) Itself2) One3) Zero4) One Hundred
What is the rule discussed in this video?1) Ones Rule2) Zero Rule3) Rule with Nines4) Rules with Tens
Is the ones rule in multplication true if the one is the first or second number in the equation?1) Yes2) No
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