# What is subtraction

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What is Laser Vision Correction? Laser vision correction is a type of eye surgery that reshapes the cornea (the clear window of the front of the eye) using an Excimer laser. This is accomplished by ablation or subtraction of a microscopic amount of corneal tissue. http://arizonalasik.com/new-to-lasik/what-is-lasik/

Fact Table - This is why it is vital to teach addition strategies - it aids in understanding, fluency, and eventually memorization. ~BN

Subitizing is an important skill to teach when introducing number concepts in Preschool and Kindergarten. It sets a strong foundation for addition and subtraction!

Touch Point Math worksheet People think I'm crazy when I tell them this is how I learned to add.

Fruit Loops and Subtraction! If your students need a motivation for learning subtraction then this is what you need.

I was just looking for something like this for my 9 year old! perfect!

Mario Adding Fractions Song. This is a fun video to recap what was learned about adding fractions.

Challenge your first and second grade math students with this FREE set of one dozen riddle cards for the numbers 1-120. This new set addresses early addition and subtraction, comparing numbers, place value, and basic coin knowledge, and is great as a supplement to 120 Riddles Set 1. What a fun way to review math vocabulary and skills while you also model inferring and drawing conclusions! http://primaryinspiration.blogspot.com/2017/01/120-new-math-riddles-and-sample-too.html

Using the ipads for subtraction! This app is called Number Pieces Basic and I downloaded it for free!

FREE - A deck of playing cards are used for this sheet...you draw cards to fill in the numbers for all the empty boxes. Then do the math fact to find out what the answer is. Scroll Down to get the other one...What's The Difference...(Subtraction) Fun activity for older students and you can actually request a deck of cards from their parents if you don't want to purchase them from the $ store.