Today, you will be reviewing exponents.

# 8th Mobile Lab 5/28/13 – Exponents

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- Go over the Math PSSA Questions released, 2009 – 2010 PSSA 8th Item Sampler. Remember, the Grade 8 Formula Sheet for the Math PSSAs has a lot of useful information.

You may complete problems on percent of change on IXL (passwords here):

The Grade 8 Formula Sheet for the Math PSSAs has a lot of useful information.

You may also review customary & metric conversions on IXL (passwords here):

Hint: To convert from a bigger unit to a smaller unit, multiply. To convert from a smaller unit to a bigger unit, divide.

Review 3D shapes using this website. Make sure you go through **each** tab:

- About Tab – Click on each shape.
- Quiz – Name the 3D shape.
- Edge / Vertices / Faces – Review these terms here.
- Views – Examine each view.
- Drawing – Try drawing a 3D figure using the tips.
- Nets – Identify each net.

You may also explore surface area and volume of 3D shapes on this website. Make sure you go through **each** tab.

If you are completed early, you may also practice on IXL (passwords here). Review:

If you have some free time during winter break, feel free to practice the following links on IXL:

- Log into IXL (usernames & passwords listed here)

- Simplify variable expressions
- Distributive property
- Add and subtract like terms
- Graph solutions to two step inequalities
- Solve percent equations
- Find the percent
- Percent of a number (tax, discount, markup)

Today we will be practicing to find discount:

- Shopping at Troy’s Toys
- Math at the Mall
- Video on how to find sale price (with sound)
- Consumer math
- Percent Word Problems (1-1, 1-2, 1-3, 2-1, 2-2, 2-3)