Combining like terms confuses many students. But by using a special notation, the double-slash, students get a visual aid that helps them combine like terms with greater care. This post shows how to use the double-slash to combine like terms. And it offers practice problems and their solutions, too.

# Archive | Practice Problems

# Fun Math Problem #2

Math problem that deals with the hands of a clock.

# Answer, Fun Math Problem

Here is the answer to an interesting problem: what provides a better fit, a square peg in a circular hole, or a circular peg in a square hole? We can use simple geometry to figure it out!

# FUN MATH PROBLEM — Circling the Square & Vice-Versa

Circle the Square or square the circle. Either way, it’s a fun math problem. Feel free to try it, share it, use it however you wish.

# How to tell if a Number is Divisible by 8

How to tell if 8 divides into a number. There is a simple test for this. This post explains this.

# (Divisibility) Practice Makes Perfect

Practice problems for reducing fractions. Use divisibility tricks to reduce fractions.