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Fractions (Medium)
What would you rather have: a half of a half of a half of something nice or a half of a quarter of something nice?

Fractions (Medium)

Fractions can be added, subtracted, and even multiplied. This 11 Plus Maths quiz helps you explore how these clever numbers work together to make new values.

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Fascinating Fact:

One half of two thirds is one third, fractions can multiply too, though it sounds like they are making friends instead of sums.

In 11 Plus Maths, pupils explore how fractions behave in calculations. They learn how to multiply and divide fractions, simplify answers, and find relationships with decimals.

  • Multiply: To increase a number by another. When multiplying fractions, multiply the top numbers and then the bottom numbers.
  • Divide: To split into equal parts. Dividing fractions involves flipping the second one and multiplying.
  • Reciprocal: The flipped version of a fraction, such as turning three quarters into four thirds.
How do you multiply fractions?

To multiply fractions, multiply the top numbers together and then the bottom numbers. For example, one half multiplied by two thirds equals one third.

How do you divide fractions?

To divide fractions, turn the second fraction upside down and multiply. This is called using the reciprocal.

Why do we multiply fractions in maths?

Multiplying fractions helps us work out parts of parts, which is useful in everyday situations like recipes and measuring areas.

1 .
What is 823 as an improper fraction?
243
163
263
103
To convert a mixed fraction to an improper fraction, follow these steps: 1. Multiply the whole number part by the denominator. 2. Add this result to the numerator. 3. Write the fraction with step 2 in the numerator and keep the original denominator. STEP 1: 8 × 3 = 24. STEP 2: 24 + 2 = 26. STEP 3: 26?3
2 .
What is 25 + 410 + 1215?
1615
263
85
1810
2?5 + 4?10 + 12?15 = 2?5 + 2?5 + 4?5 = 8?5. Reduce the fractions to their simplest forms, then add them. If the denominators are the same, you can add/subtract the fractions by simply adding/subtracting their numerators - it really is as easy as that!
3 .
What is 23 of 21?
7
14
18
12
2?3 × 21 = (2 × 21) ÷ 3 = 42 ÷ 3 = 14. Do the brackets first. The word OF means multiply
4 .
How many sevenths are there in 6?
35
49
21
42
There are seven sevenths in 1, so there are 7 × 6 = 42 sevenths in 6. In general, the number in the denominator tells you how many fractions of that type are needed to make 1. For example, you need three thirds, 1?3, to make 1, but you need ten tenths, 1?10, to make 1 and so on. REMEMBER this stuff, and you won't get confused with fractions
5 .
What is 98 - 34 + 58
1
118
118
208
9?8 - 3?4 + 5?8 = 9?8 - 6?8 + 5?8 = 1. Reduce the fractions to their simplest forms, then add them. If the denominators are the same, you can add the fractions by simply adding their numerators - it really is as easy as that!
6 .
What is 125 as a mixed fraction?
2212
1225
225
525
To convert an improper fraction to a mixed fraction, follow these steps: 1. Divide the numerator by the denominator. 2. Note the whole number remainder. 3. Write the number from step 1 as the whole number in front of the fractional part AND write the fractional part with the remainder in the numerator and keep the original denominator. STEP 1: 12 ÷ 5 = 2. STEP 2: Remainder 2. STEP 3: 22?5
7 .
What is two-thirds of £81?
£18
£54
£64
£27
2?3 × £81 = (2 × £81) ÷ 3 = £162 ÷ 3 = £54. Do the brackets first. The word OF means multiply
8 .
What is 435 as an improper fraction?
205
125
75
235
To convert a mixed fraction to an improper fraction, follow these steps: 1. Multiply the whole number part by the denominator. 2. Add this result to the numerator. 3. Write the fraction with step 2 in the numerator and keep the original denominator. STEP 1: 4 × 5 = 20. STEP 2: 20 + 3 = 23. STEP 3: 23?5
9 .
What is 123 as a mixed fraction?
123
1213
4
12
To convert an improper fraction to a mixed fraction, follow these steps: 1. Divide the numerator by the denominator. 2. Note the whole number remainder. 3. Write the number from step 1 as the whole number in front of the fractional part AND write the fractional part with the remainder in the numerator and keep the original denominator. STEP 1: 12 ÷ 3 = 4. STEP 2: Remainder 0. STEP 3: 4. Be on the LOOKOUT for this sort of thing!
10 .
What would you rather have: a half of a half of a half of something nice or a half of a quarter of something nice?
A half of a quarter
They are both the same, so it doesn't matter which one you pick
A half of a half of a half
A half of a half
1?2 × 1?2 × 1?2 = 1?4 × 1?2 = 1?8. The word OF means multiply
Author:  Frank Evans (Specialist 11 Plus Teacher and Tutor)

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