Number Sense
What is a translation?
The figure slides up, down, left or right by a certain number of units.
What is 3√27?
3
What is √8 to 1 decimal place? Hint: √8 is between which two whole numbers?
2.82 (Between 2 and 3 because 8 is between 4 and 9)
A line is plotted on a grid. We pick two points and draw a slope triangle. The vertical is 6 and horizontal is 2. The line goes through the points (0, 9) and (-3, 0). What is the equation of the line?
y=3x+9
How does a scale factor affect a dilation?
A scale factor between 0 and 1 makes the shape smaller, sf of 1 keeps the shape the same and sf greater than 1 makes the shape bigger