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  • 2 nd Grade Math By: Stephanie Gamble EDU 290 Tues/Thurs 8-9:15a.m.
  • What you will learn?
    • Addition
    • Adding 2 digit
    • Subtraction
    • Subtracting 2 digit
    • Time
    • Money
    • Number
    • Measurements
    • Fractions
    • Multiplication
    • Division
  • Addition
    • Addition is finding the sum of two or more numbers.
    • Sum is the result of adding two or more numbers.
    • Math is the number one subject you will need in the future.
  • Adding 2 Digit The only difference to adding 2 digit numbers compared to adding 1 digit numbers is one more additional step. Adding 2 digits you start adding right to left. Below is an example of how to add two digit numbers. 32 +43 2+3=5 3+4=7 So.. 75 32+43=75
  • Subtraction
    • Subtraction is taking one away from another.
    • If you have 5 apples and you subtract 2, your total is then 3.
    • 5-2=3
  • Subtracting 2 digit
    • Subtracting two digit numbers vs. subtracting just one number is normally one more step difference.
    • You subtract from right to left.
    • Sometimes when your top number is not high enough to subtract, then you have to take one away from the second top number.
    • Below is an example of subtracting two numbers.
    • *Notice you cant take 6-9. 4 1 6 then adding that one you took 56 -39 away to the 6 allows that to -39 17 now be 16.
    • So now we have to take one away from the 16-9=7
    • 5 and our new problem becomes 4-3=1
  • Time
    • Time is how you tell what hour of the day it is.
    • This allows you to know when you get out of school.
  • Money
    • Money is what you pay with.
    • It consists of dollars, 50 cent pieces, quarters, dimes, nickels, and pennies.
    • All of which are coins besides dollar bills.
    • Dollar bills are made of paper and look like the image below on your left.
    • Coins are normally round pieces of metal like the image below on your right.
  • Numbers
    • Numbers - An amount used to count or measure.
    • Numbers are used the most in math. They are in everything including Adding, Subtracting, Multiply, Divide, Time, and etc.
  • Measurements
    • Measurement - The size, length, or amount of something.
    • Measurements are mainly used in math with story problems and finding area, width, or length of a problem.
  • Fractions
    • Fractions- A small or tiny part, amount, or proportion of something.
    • Fractions are not whole numbers. For example all fractions will look something like this...
    • ¾ or 7 ½
  • Muliplication
    • Multiplication- The process of multiplying one number by another.
    • The result of the multiplying is called the product.
    • Multiplication is good to know when purchasing something from the store. For example, if you buy 6 notebooks at $5 each. Instead of adding 5+5+5+5+5+5 you can know the answer by just multiplying 6X5 and know it would cost you $30.
  • Division
    • Division The action of separating something into parts.
    • Division is the exact opposite of multiplication
    • Division is important in every day lives. For example, if your part of a group, you have your specific job in that group. All the jobs are divided evenly throughout group in which one job is specifically yours.
    • Division shows easier steps to solving problems.
  • Suggestions to help you with math
    • Use a calculator
    • Break problems down
    • Think Critically
    • Use objects
    • Draw pictures
    • Use charts
    • Check answers when finished
  • Citations Pictures from... Slide 2- http://ces.nwasco.k12.or.us/staff/lhughitt/mathactivities/index.htm Slide 3- http://www.animaljr.com/free-printable-christmas-math-worksheets-addition-and-subtraction/ Slide 4- http://www.freeprintable.com/free-printable-math-worksheets/grade-1-math--farm-themed-subtraction http://amazingworksheets.blogspot.com/2009/01/subtraction-worksheet-3.html Slide 5- http://blogs.bgsu.edu/crcnews/tag/telling-time/ Slide 6- http://www.valdosta.edu/~lomartin/ebook2.html http://banknotesoftheworldss.com/2011/08/14/coins/ Slide 7- http://www.masterproductsusa.com/product.sc?productId=10 http://www.kindergarten-lessons.com/learning_numbers.html http://mathboard.blogspot.com/ Slide 8- http://child-1st.typepad.com/my_weblog/visual-learners/ http://prek-8.com/3rdgrade/measurement_index.php Slide 9- http://blogs.bgsu.edu/crcnews/tag/fractions/ Slide 12- http://www.study-skills-for-all-ages.com/multiplication-facts.html http://www.free-math-handwriting-and-reading-worksheets.com/learning-multiplication-tables.html Slide 13- http://www.learnmath360.com/division-games-help-kids-learn-math/ http://www.leftyparent.com/blog/2010/11/24/learning-long-division/ Slide 14- http://mrscordle.com/default.aspx http://www.stuffintheair.com/math-brain-eater.html http://2010ea746.wikispaces.com/Dennis+Klenow+-+Upper+Elementary+School+Accelerated+Math All definitions from... http://dictionary.reference.com/