Question Video: Using Tape Diagrams to Find the Missing Addend in an Addition Equation | Nagwa Question Video: Using Tape Diagrams to Find the Missing Addend in an Addition Equation | Nagwa

Question Video: Using Tape Diagrams to Find the Missing Addend in an Addition Equation Mathematics • 2nd Grade

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Find the missing number. ＿ + 8 = 14

00:48

Video Transcript

Find the missing number. What plus eight equals 14?

And we can see from the bar model that there are 14 in total. How many at the start? And eight are added. So, we need to work out how many there are at the start. Let’s count the number of blue blocks, one, two, three, four, five, six. The missing number is six. Six plus eight equals 14.

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