Get Good at Fractions

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Contents

  1. Fraction Game
  2. Identifying Types of Fractions
  3. Real Help With Fractions
  4. How to Multiply Fractions: 7 Amazing Activities to Try Out
  5. How to Multiply Fractions: 7 Amazing Activities to Try Out

Should you move the markers for fractions with larger or smaller denominators first? Knowing this, what is the fewest number of cards needed to complete the game? Justify your answer. View Cart.

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NCTM Store. Toggle navigation MENU. Log In Not a member? Join Now. Fraction Game Grade: 3rd to 5th, 6th to 8th This applet allows students to individually practice working with relationships among fractions and ways of combining fractions. Multiply top x top and bottom x bottom. Method 3.

Fraction Game

Convert mixed numbers into improper fractions. Improper fractions are those whose numerators are larger than their denominators. If you are multiplying and dividing, you must convert mixed numbers into improper fractions before you begin the rest of your calculations. Take the whole non-fraction number and multiply it by the denominator. Add that answer to the numerator.

Identifying Types of Fractions

Put that amount over the original denominator and you will have an improper fraction. Method 4. Find the lowest common denominator the denominator is the bottom number. For both adding and subtracting fractions, you'll start with the same process.

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Real Help With Fractions

Figure out the lowest common fraction that both denominators can go into. Multiply fractions to match the lowest common denominator.

Remember that when you're doing this, you're not actually changing the number, just the terms in which it's expressed. Multiply the fraction's numerator and denominator by that number. Add or subtract the two numerators top number but NOT the denominators. The reason is because you are trying to say how many of that type of fraction you have, total.

How to Multiply Fractions: 7 Amazing Activities to Try Out

If you added the denominators as well, you would be changing what type of fractions they are. Next, an easy way to divide would be to the reciprocal method.

Yes No. Not Helpful 55 Helpful If the ratio of girls to boys is , and there are boys, how do I calculate the total number of students?

Assuming all the girls and boys are students. Not Helpful 46 Helpful Not Helpful 36 Helpful Act like the whole number is also a fraction i. Then multiply it as you would two fractions. Multiply the numerators or the top numbers and multiply the denominators or the bottom numbers. The fraction that results is your answer. Not Helpful 34 Helpful To figure this out, you just have to know how to calculate percentages in general, which is actually quite simple.

To convert a percentage into a decimal value, just move the decimal place two spaces to the left. So, Now, to find If we divide 15 by 3 we get 5. So, now we need to multiply the first fraction's numerator by 5 which gives us 10 2 x 5.

How to Multiply Fractions: 7 Amazing Activities to Try Out

The key thing to carrying out the subtraction of fractions correctly is to always keep in mind that the most important part of the fraction is the number under the line, known as the denominator. If we have a situation where the denominators in the fractions involved in the subtraction process are the same, then we merely add the numbers that are above the separation line or as a mathematician would put it: "Subtracting the numerators only".

However, this was one of the easiest examples of subtracting fractions. Remember the first thing: when subtracting the fractions, the denominators must always be the same, or, to put it in mathematicians language - the fractions should have a common denominator. You may also be interested in our Factoring Calculator. Simple methods of calculating Fractions Simple addition of fractions The key thing to carrying out the addition of fractions correctly is to always keep in mind the most important part of the fraction is the number under the line, known as the denominator.