Missing Factor micro-lesson
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Another type of multiplication problem you can solve is called missing factor problems. So, this is where instead of trying to find the answer to the multiplication equation, one of the factors in the equation is missing. So, to look at this, we're going to use the equation blank times 5 equals 15. So, instead of trying to find the answer, we're going to try to see what this missing factor is. So, we know that the second number that you're multiplying by is 5. This means that there are groups of 5. We don't know how many groups there are so we're going to skip count by 5 to see how many groups there are until we get to 15. So, we're going to skip count by 5’s, 5, 10, 15. We got to 15 which is the answer to the equation, and we skip counted three times. This means there are 3 groups of 5. That means the missing factor in this equation is 3, so 3 x 5 = 15.
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Here are some example of questions about this video that kids may be asked in the 1Question app to earn screen time.
What number was skip counted by to find what the missing factor was?1) 52) 33) 154) 10
What is the missing factor in __ x 4 = 12?1) 32) 43) 24) 6
What is the missing factor in 10 x __ = 50?1) 52) 43) 104) 8
What is the missing factor in the equation?1) 32) 53) 154) 2
What is the missing factor in __ x 6 = 18?1) 32) 73) 44) 6
What is the missing factor in 9 x __ = 72?1) 82) 93) 74) 5
What is the example equation used in the video?1) __ x 5 = 152) 5 x 5 =3) 3 x 10 =4) 3 x __ = 15
What type of multiplication problem is discussed in the video?1) Missing factor2) Word problem3) Two step word problem4) Multiplication picture
In a missing factor problem, are you trying to find the answer to the multiplication problem?1) No2) Yes
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