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# Math Lessons and Teaching Tips

All of these lessons and articles from this website and my blog are written by me... Maria Miller. I hope they help you in your math teaching.

One good way to find help for the math topic you're interested in is to use the SEARCH box below. I have written something about most elementary and middle school math topics.

Jump to lessons and articles about:

General Elementary Middle High School |
Place value Addition & subtraction Division Multiplication Fractions Decimals Geometry |

### General

Four habits of highly effective math teaching

How to motivate & prevent math anxiety

How to help a student who is behind in math

Value of mistakes in math learning

Timed tests and how it damages students' learning of math

What kind of PRAISE should we give students?

**NEW!** From CLOSED math problems (with one answer) to OPEN ones

Keeping math skills sharp in the summer

Do's and don'ts of teaching problem solving

Which operation to use in word problems?

Solving word problems & setting up equations

Calculator related articles from my blog

Problem solving articles from my blog

Living math - articles from my blog

### Elementary

Learn to recognize numbers — a game for preschoolers

Kindergarten math— an outline & recommendations

Using a 100-bead abacus in elementary math - from my blog

The most useful manipulatives for elementary math

Using manipulatives - articles from my blog

How to teach children to recognize coins

Math facts - articles from my blog

Solving math word problems in elementary grades

Using a calculator in elementary grades?

Calculator related articles from my blog

## Place Value Lessons-
Grade 1
- Teaching tens and ones
- Tens and ones practice
- Counting in groups of ten
- Skip-counting (0-100)
- Comparing (0-100)
- Cents and dimes
- Place Value - hundreds
- Comparing (0-1000)
- Place value - thousands
- Comparing thousands
- Rounding & estimating
- Rounding to the nearest 100
- Place value - big numbers
Grade 2 Grade 3 Grade 4 |
## Add & Subtract Lessons |

### Middle

Recommendations for pre-algebra books

Order of operations/PEMDAS

Estimation methods

Negative or zero exponents

Number to zero power is one - 2 proofs

How to teach proportions

Proportion related articles from my blog

Percent videos
Percent - the concept and how to change fractions to percents

Percentage of a number using mental math

Percentage of a number using decimals

What percentage...

Percent basics—from my blog

Calculating percent—from my blog

Basics of percent of change

How to teach integers

Hands-on with pi

Sine in a right triangle

Square roots without a calculator?

Where do you need math, square roots, or algebra in real life?

Balance illustrates equation solving

Algebraic thinking related articles from my blog

### Geometry Lessons

### High School

Teaching algebra - articles from my blog

Why high school geometry is difficult

Help with high school geometry

What is proof?

Two-column proof vs. paragraph proof

Proving is a process - logarithm problem

Fascinating irrational numbers

Proof that square root of 2 is irrational

Rational numbers are countable

How does calculator find values of sine?

Fibonacci numbers and golden section

Why does the square root algorithm work?