Grades 7-8 Video Solutions 2021-video 2021 7-8/5

Video Transcription

Question 5. When the five pieces shown fit together correctly, the result is a rectangle with a calculation written on it. What is the result of this  calculation? To begin this problem, we will see which pieces are the end pieces. We can notice that both the digits 2 have flat sides on either end, so we know  which one is the beginning and which one is the end. From here, we can see which piece to use next. We notice that the minus sign has two holes, so the peg  on the first two will fit nicely with that. Next, we notice that the 0 has a peg on both sides, so it will fit near the end by the other two. The only digit  that's left is the one which has a peg and a hole, and we notice that this fits nicely between the minus and the zero. So we are left with the equation of 2  minus 102. Using this simple math, we can get A, negative 100.

Video Summary

Question 5. When the five pieces shown fit together correctly, the result is a rectangle with a calculation written on it. What is the result of this calculation? To begin this problem, we will see which pieces are the end pieces. We can notice that both the digits 2 have flat sides on either end, so we know which one is the beginning and which one is the end. From here, we can see which piece to use next. We notice that the minus sign has two holes, so the peg on the first two will fit nicely with that. Next, we notice that the 0 has a peg on both sides, so it will fit near the end by the other two. The only digit that's left is the one which has a peg and a hole, and we notice that this fits nicely between the minus and the zero. So we are left with the equation of 2 minus 102. Using this simple math, we can get A, negative 100.

Keywords

puzzle

rectangle

calculation

equation

result