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taconi12

fractions idea bank - 141 views

  • Fractions are as easy as pigs
  • One way to help students to understand the basics of adding and subtracting fractions (denominators must be the same; add/subtract the numerators; DO NOT add/subtract the denominators) is to teach the students what the parts of a fraction really are: numbers and names. This also helps combat the frequently-taught but incorrect idea that a fraction and a ratio are the same. A ratio may look like a fraction, but it is not a fraction.
  • FRACTIONS ARE AS EASY AS PIGS What is 2 pigs plus 3 pigs? 5 pigs (Write as a fraction: 2/pigs + 3/pigs = 5/pigs) Notice, we do not end up saying the answer is 5 horses.
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  • The top of a fraction is a NUMBER: 1, 2, 3, etc. The bottom of a fraction is a NAME: half, third, fourth, etc. We can add and subtract numbers. We cannot add and subtract names.
  • Fraction Blackjack
  • Ask each student their "denominator." Don't give it away. Ask each one until one finally says their name. Continue through the room... Their name is their denominator. When you practice adding and subtracting fractions with like denominators, actually say "pigs" instead the fraction name. Then say, "Instead of pigs, we are using ..." and let them answer with the appropriate denominator. It is fun when doing subtraction to say, "If we have 5 pigs and eat 3 pigs, besides a stomachache, what is left?"
  • The transition to unlike denominators is automatic. If the names are not the same, you can't add the fractions. 2/pigs + 3 horses is still 2/pigs and 3/horses (unless we discover a "common denominator" -- a common name: farm animals). Once the students know they must have a common name (denominator) in order to add or subtract, they have a reason to learn about common denominators. By the way, I always begin common denominators without worrying about the Least Common Denominator (LCD). Once they can find a common denominator (multiply the denominators), add or subtract, and then reduce, they can be led to finding "easier" denominators to work with. Students who have too much difficulty with LCD can still get the correct answer; they just have more reducing to do. Those who can find a lower common denominator have less reducing. This is a very basic rendering of "Fractions are as easy as pigs." AWP, 10/12/00 on teachers.net math board
  • Denominate means: to name Political parties nominate (name) their candidates. Religious denominations are identified by their names. The denominations of money are the names of the coins and bills.
  • One game that my students enjoy the challenge of is Blackjack 1. You need a set of fraction cards per student (or you can make them from index cards.) The same rules as Blackjack apply. Instead of trying to get to 21, they want to try and get close to 1 without going over. With this game they practice addition and comparing -- it's great. You can also make it more challenging or bring in mixed numbers with Blackjack 2 or Blackjack 3. (Blackjack 2 means to try to get as close to 2 as possible without going over.) I am not sure where to buy fraction cards. I have one set that I received when I took over a classroom. However, I have always had the students create their own sets and we used them for several addition. I gave each students a set of index cards (3 1/2 X 5) and they wrote the fractions in pencil so they couldn't be seen through the cards. These are the fractions we included: all fractions with a denominator of 2, 3, 4, 5, 6, 8, 10, and 12. (To challenge the students you may want to use the 7, 9, and 11 denominators as well.) I also had the students include 2 0's such as 0/3 and 0/4 and two 1's such as 3/3 and 4/4. Each game required two sets of cards, so I had the students write their initials in the corner of their set so they would get a complete set back after the game.
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  • Fraction War Fraction War with the fraction cards: It is just like the card game of War, but with the fraction cards instead. This game helps students to compare fractions and encourages them to use number sense in comparison before using the algorithm of making equivalent fractions. Memory Memory with the fraction cards: It is just like the traditional "Memory" game, but any equivalent fractions are considered a match so 1/2 would be a match with 2/4. This game helps them to identify equivalent fractions. You can also play this game with fraction to decimal equivalence by making a set of decimal cards too. Fraction/Decimal Bingo Fraction/Decimal Bingo: The students have game boards with decimals on them. You call out fractions and if they have the decimal equivalence they can mark it on the board. Kimberly, 5/31 and 6/1 on teachers.net math board
Martin Burrett

Basketball + - x Math Madness - 65 views

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    Shoot some hoops and learn some maths with this lovely maths game for practising maths, maths and multiplication at two different levels. http://ictmagic.wikispaces.com/maths
Martin Burrett

Action Fraction - add or subtract fractions - 3 views

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    A great maths game were players add or subtract fractions to make their racing car go faster. http://ictmagic.wikispaces.com/maths
Martin Burrett

Fact Worms Maths game - 82 views

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    Practise near doubles, addition and addition with this good worm themed addition game. http://ictmagic.wikispaces.com/addition
Martin Burrett

BBC - maths - maths/maths - 68 views

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    A great futuristic adventure game from the BBC where players must use their skills at adding and subtracting to save the world. http://ictmagic.wikispaces.com/Maths
Martin Burrett

Four Maths Operations - 120 views

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    A nice iPod inspired maths operations game. Practise multiplication, division, subtract and maths. http://ictmagic.wikispaces.com/maths
Martin Burrett

Maths Maths - from Mangahigh - 60 views

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    A fantastic maths maths website which has maths designed to practise particular skills in maths. There's blasting robots maths and picking flowers maths. Signing up is not necessary to play most maths. A must try site. http://ictmagic.wikispaces.com/maths
Martin Burrett

StudyJams - Maths - 116 views

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    A superb collection of maths study guides, quizzes, maths and activities for every area of the maths curriculum. A must for any maths teacher. http://ictmagic.wikispaces.com/maths
Martin Burrett

Variable Math Game - 120 views

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    An interesting maths site where players must find the value of X in problem using multiplication, division, maths or maths. http://ictmagic.wikispaces.com/maths
Martin Burrett

Quick Math - 7 views

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    A simple maths game where players must choose + - x or ÷ as quickly as possible to make the calculation correct. Play full screen at http://mathnook.com/math/maths/quickmath.swf http://ictmagic.wikispaces.com/maths
Martin Burrett

Double Digits - 121 views

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    This simple addition and addition game is wonderful for whiteboards. The pen tool allows students to show their workings before choosing an answer from the four given. http://ictmagic.wikispaces.com/addition
Martin Burrett

Maths duck - 92 views

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    A superb site with lots and fun maths maths on a wide range of topics across the maths curriculum. http://ictmagic.wikispaces.com/maths
Martin Burrett

Basketball Math Facts Practice | Addition, Addition, Multiplication and Division - 63 views

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    Answer maths questions on x + - and ÷ to win the chance to shoot at the basketball hoop. http://ictmagic.wikispaces.com/maths
Martin Burrett

MathMovesU - 142 views

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    This is a superb maths maths and activities site. Design an avatar and stroll around and choose what activities you would like to do in a range of maths topics. The maths are great and the graphics are well designed and child-friendly. http://ictmagic.wikispaces.com/maths
Martin Burrett

Robot Calculator - 57 views

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    A robot themed addition, addition, multiplication and division resource for young children. http://ictmagic.wikispaces.com/addition
Martin Burrett

One Hundred Boxes - 129 views

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    A simple maths game where players smash numbered boxes to answer the maths expression. http://ictmagic.wikispaces.com/maths
Marc Patton

Free Math Games For Kids - The KidsKnowIt Network Internet's Most Popular Educational Website - 111 views

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    A great general maths resource site with maths, worksheets and ideas. http://ictmagic.wikispaces.com/maths
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    A place where students can practice all aspects of math, including addition, addition, multiplication, and division, in a fun and pressure free way.
Martin Burrett

Math Match Game - 88 views

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    A flash-based maths pairs game where players must match questions with answers. http://ictmagic.wikispaces.com/maths
Martin Burrett

Count Us In Maths Maths - 59 views

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    A collection of 15 games for younger learners about various games topics. http://ictmagic.wikispaces.com/games
Martin Burrett

Math Man JUNIOR (Mixed questions - Easy) - 0 views

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    Play Pacman with easy maths basic skills for younger students. Game uses the four operations. http://ictmagic.wikispaces.com/maths
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