Lesson 32 Homework 4.5 Today

Translate triangle ABC 4 units to the right and 3 units down. "Easy," Lucas muttered. He plotted the points. A(2, 4) became A’(6, 1). He drew the new triangle. It was a simple slide. He felt a surge of confidence.

Lucas stopped. His pencil hovered over the paper. 90 degrees counterclockwise. He knew the rule in his head: swap the x and y, and change the sign of the new x. But looking at the rectangle on the graph, it looked wrong in his mind's eye. If he turned it, would it overlap the original? Would it go off the grid? lesson 32 homework 4.5

You now have everything you need to complete, check, and understand lesson 32 homework 4.5 . Good luck, and happy calculating! Translate triangle ABC 4 units to the right and 3 units down

If you want, tell me:

Add. Use a model to show your thinking. 3 2/5 + 2 4/5 A(2, 4) became A’(6, 1)

Mastering means you are ready for Lesson 33, where students subtract a fraction from a whole number (e.g., ( 4 - \frac35 )) using similar number line strategies.