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Symetry is when you draw a line down an object and both sides are exactly the same. There is radial symetry, which means you could cut an object like a pizza pie and all the pieces would look exactly...
Turnaround facts in addition are numbers or parts that can be switched with the answer staying the same. For example 3+4=7 4+3=7In subtraction the total stays the same in the beginning of the...