Activity 1-2a
The blue blocks are used to show variables. Variables are named by letters. Rnd these blocks in your Lab Gear.
y
x
1. Write a way to remember which błock is x. and which is y
We can tell this is the 5x błock by counting the x’s, or by measuring the sides of the rectangle. Remember that (or a rectangle. length times width eąuals area.
2. Rnd a błock to match each picture. Rnd the name for each błock in the box below. Write the błock names on each linę.
b.
d.
e.
5 times x (write 5x) x times x (write x*)
5 times y (write 5y) y times y (write ya)
x times y (write xy)
3. Explain why x? is read “x sąuared."
© ASgtrbat lab Gonr: Base Aigffbra