Sterling Middle School Math
What is the best first move with the equation 10-4x = 2x+3 ?
Many students will choose to subtract 2x from both sides. But then you end up with negative numbers, more prone to error. A better move is to add 4x to both sides. Then you have a positive amount of x to deal with.
What is the length of the side of a square whose area is 5? The square root of 5.
How many degrees are in the three angles of a triangle? 180 How many degrees are in each of the angles of an equilateral triangle? 60 ...
When counting by powers of ten, a new family starts every multiple of 3. 10^3 is the start of the thousands family, 10^6 is the start of...
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